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HABITAT DATA REPORT
Sixth Street Short Plat
Renton, Washington
October 28, 2004
DEV�VTY OF ENTON 1NG
NOV 0 4 2004
RECEIVED
RAEDEKE ASSOCIATES, INC.
Report To: Mr. Jack Alhadeff
c/o Baylis Architects
10801 Main Street
Bellevue. WA 9800-}
Title: Habitat Data Report for the
Sixth Street Short Plat
Renton, `'�'ashington
Project I�unlber: 2003-0?9-002
Prepared by: RAEDEKE ASSOCIATES. INC.
5711 Northeast 63rd Street
Seattle, Washington, 981 l�
(206) 525-8122
Date: October ?S, ?00-�
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i:;�`�L�`�� ,-=�����, , � �5, � �`.�
I 5711 Nortneast 63rd St, Seattle, WA 98115 !: �
Principal: Kenneth J. Raedeke, Ph.D.
Certified Senior Ecologist, ESA
Current Project Personnel: Lisa Danielski, B.A.
Wetland Biologist
Claude Mckenzie
Landscape Architect
Vickie Harris
Technical Administrative Assistant
�<;-;cDEKE ,���C��-=TES, ��1;
5711 N�rt�east 63rd St Seattle, Vl/A 98115 =- . :
TABLE OF C0�1T'ENTS
Page
LISTOF TABLES............................................................................................................ I�'
1.0 INTRODUCTION ....................................................................................................... 1
1.1 Statement of Purpose............................................................................................ '.
1.2 Project Area..........................................................................................................
2.0 STUDY METHODS....................................................................................................
2.1 Background Research...........................................................................................
2.2 Field Sampling Procedures...................................................................................
3.0 EXISTING HABITAT CONDITIONS....................................................................... :
3.1 Plant Communities..................................................................................................+
3.2 Mi ration Corndors �
g ................................................................................................
3.3 Wildlife Communities ...........................................................................................�
3.4 Habitat Disturbance...............................................................................................;
3.� Wetland Functions and V alues..............................................................................��
3.6 Development Impacts............................................................................................-
, 4.0 LIMITATIONS.............................................................................................................�
5.0 LITER.ATURE CITED.................................................................................................��
FIGL:RES A\TD TABLES ........... ................. ........................... ................. .......... ..... .. 1�
�
LIST OF FIGURES
Figure Page
1. Site development plan....................................................................................................13
2. Cover type map,topography and topographic cross-sections........................................14
LIST OF TABLES
Table Page
1, Scientific and common names of animals expected to occur on
the Sixth Street Short Plat property............................................................................16 I
?. Summan of«etland functions and values assessment................................................20
iv
1 ��
1.0 INTRODUCTION
1.1 STATEMENT OF PURPOSE
The primary objective of this study is to provide baseline biological information on the
existing conditions of the wildlife and vegetation for the proposed development, ���th
special emphasis on Endangered, Threatened, and Sensitive species.
The specific objective of the report is to provide the information required by the City of
Renton for Short Plat Submittals (nine or fewer lots) Item 20, the Habitat Data Report.
1.2 PROJECT AREA AND PR P �i I�I
O OSED SITE PLA.
The Sixth Street Short Plat project site is located in the City of Renton, Washington. The II
project site consists is 1.84 acres in size and is located west of Rainier Avenue South, �i,
south of NW 7th Street, east of Stevens Avenue, and north of NW Sth Street if extended to I
Rainier Avenue South, as per the site plan provided by ABHL Inc. (Figure 1). ��i
The current proposal is to divide the site into approximately seven residential lots, with �,
an extension of NW 6`�' Street for access to the residential lots. The site plan provides for �,
the retention of the portion of the Class 3 wetland that is found in the ravine at the south '
boundary of the propem� within an open space tract.
Sixth Street Short PLat--Habitat Dara Report Raedeke Associates, I,��
October 28. 2004
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2.0 STUDY METHODS
2.1 BACKGROUND RESEARCH
The plant communities on the Sixth Street Short Plat site were classified and described
through a review of existing federal, state, and local mappings, and interpretation of
aerial photographs. Present land-use patterns at the site and on sunounding lands were
noted from available aerial photographs (Washington Department of Natural Resources
[WDNR] Series NW-C 2001).
The classification of plant communities was based on both national and local s}�stems. ��,
Wetland habitats were classified according to the U.S. Department of Interior Fish and
Wildlife Service (USFWS) system reported by Cow�ardin et al. (1992). Upland
communities were classified based primarily on the system used by Anderson et al. 'i
(1976) and the King County (1987) Wildlife Habitat Profile, which is generall}� suitable �
for the area. '
We investigated potential animal use of the site through a compilation of information
about the site provided by local agencies and published sources prior to field visits.
Information about the site was also extrapolated from our research and management
experience in the Puget Sound lowlands.
We consulted species accounts and descriptions of the Washington I�7atural Heritage
Program(1997), Hitchcock and Cronquist(1976), and Pojar and MacKinnon (1994) far
information on plant species of special concern (i.e., threatened, endangered, or sensitive)
that might be found in the project area. We also compiled information from the
Washington Department of Fish and Wildlife (WDFVV 2002) for documented information
on the likelihood of occurrence of Priority Species and Habitats (PHS) on the project area
and vicinity from their PHS/HRTG database.
Species accounts and management recommendations (e.g., Rodrick and Milner 1991)
were consulted to determine wildlife habitat preferences and to evaluate the likelihood of
occurrences for species of concern on the project area.
T
2.2 FIELD SAMPLI;�G PROCEDURES
Plant communities were classified and described by field inspection. We traversed the
site and described and classified vegetation communities and recorded wildlife use of the
site. General habitat conditions and the presence and character of special habitat features ,
were also noted. Scientific nomenclature of plant species generally follows Hitchcock
and Cronquist (1976), as updated by Pojar and MacKinnon (1994), Hickman (1993), and
Cooke (1997).
Sixth Street Short Plat--Habitat Data Report Raedeke,9ssociates, Inc.
October 28, 2�04
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During the field investigation we recorded information regarding habitat use and
activities of wildlife species and wildlife sign observed. Such information included
concentrations of animals and special habitat features such as large trees, snags (standing
dead or partially dead trees), or large downed logs.
Field observations were augmented by information on species-habitat preferences in
order to evaluate the likelihood of the occurrence of additional wildlife species. A
general wildlife-habitat table for habitat types found on the site was developed based on
the King County (1987) Wildlife Habitat Profile. We consulted additional information
for v�rildlife-habitat relationships (Johnson and O'Nei12001) and for specific animal
groups, including Hunn(1982), Penland (1984), Smith et al. (1997), and Wahl and
Paulson (1994) for birds, Guenther and Kucera (1978) and Johnson and Cassidy (1997)
for mammals, and Brown et al. (1995), Dvornich et al. (1997); Guenther and Kucera
(1978), Leonard et al. (1993), and Nussbaum et al. (1983) for reptiles and amphibians.
During our plant community and wildlife reconnaissance, we also searched for the
presence or sign of any sensitive plant and animal species suspected to occur on the
project area or vicinity.
Sixth Street Short Plat—Habitat Data Report Raedekc 4ssocrat�s, Inc
October 28, 2004
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3.0 EXISTING HABITAT CONDITIONS
3.1 PLANT COMMUNITIES
At the time of our site visits, the property was undeveloped and consisted primarily of
third-growth deciduous forest communities. Several old roads and trails traverse the site.
A portion of a Class 3 wetland that extends onto the southem most portion of the site w•as
described and mapped by The Riley Group, Inc. (2004). Given that the entire site
consists of one plant community cover type (plus the wetland) (see Figure 2).
3.1.1 Upland Communities I��
The majority of the site was dominated by a stand of third growth deciduous forest (map '
symbol Fd) with big leaf maple (Acer macrophyllum) as a major canopy species. Other
canopy species included red alder(Alnus rubra), and scattered conifers. ,
The understory contained a sub-canopy of vine maple (Acer circinatum), Indian plum !
(Oemleria cerasiformis), hawthorn(Crataegus douglasii), hazelnut(Corylus cornuta); '
and non-native invasi��e species including English iw (Hedera helix) and English holly
(Ilex aquifolium). The herbaceous layer contained sword fern (Polystichum munitum),
bracken fern (Pteridium aquilinum), and Cascade Oregongrape (Mahonia nen,osa).
3.1.2 Wetland Communities
The Class 3 wetland that extends onto the southern most portion of the site, in the bottom �
of the ravine, is described as a scrub-shrub wetland(The Riley Group, Inc. 2004). It is
dominated by invasive species including Japanese knotweed (Polygonum cuspidatum)
and Himalayan blackberry (Rubus discolor). Other species include Pacific willow (Salix
lasidandra), deadly nightshade (Solanum dulcamara) and vine rnaple (Acer circinatum).
A water feature that appears to be a dug ditch drains the wetland. At the lo��er end of the
w�etland, the watercourse enters a stormwater drainage pipe that eventually empties into
Lake Washington.
3.1.3 Special Habitat Features
There were scattered small to moderate sized snags on the site, with the largest cedar
snags associated with the Class 3 wetland in the southern ravine. Larger downed logs
and stumps were uncommon.
Sixth Street Short Plat-- Habitat Data Repoi�t Raed�ke:4ssociates, Inc.
October 28, 200�
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3.2 1�Z�cRar[oN Coauinous
The project site is part of a remnant patch of forest communit�� that is almost entirel��
sunounded by urban residential and commercial development. Commercial development
and Rainier Avenue South, the Renton Airport farther to the east, and residential
development bound the site to the south, west, and north. The forest patch is connected
to several small remnant habitat areas sunounding commercial buildings to the north, but
these azeas are also isolated by surrounding residential and commercial development and
are not connected to any significant habitat areas.
Given the isolated nature of the site and the adjacent habitats, the site is not likely part of
any wildlife migration or movement corridor.
3.3 WILDLIFE COM114UNITIES
The forested and wetland plant communities on the site likely support a variety of
wildlife species. King County's (1987) V�'ildlife Habitat Profile lists a potential of 113
species of wildlife that use the forest and ���etland communities of the type and context
that are found on the site (Table 1).
It should be noted that this is a potential pool of species that typically inhabit similar
habitats in the region. However, given the small size and isolated nature of this site, and
the surrounding urban disturbance,we would not expect many of these species to be
present on the site. The most common species on the site ��-ould be those that are adapted
to urban environments.
As noted in Raedeke Associates, Inc. (2003) report(attached to this report), the �T�'DF��
(2002) PHS map and corresponding data do not document any federally or state listed
Endangered, Threatened, Sensitive, or Candidate wildlife species on the project site or
the immediate surrounding areas. No state or federally listed Endangered. Threatened. or
Sensitive (ETS) species were observed on-site during our field visits.
There are no Priority Species or Priority Habitats documented to occur on the Sixth Street
Short Plat site. Other than the Class 3 wetland described above, there are no ecologically
sensitive habitats present on the site or in the immediate vicinit�.
3.4 HABITAT DISTURB.a�CE
Past logging of the original forest, construction of logging and access roads and trails.
and more recent grading and clearing, especially along the eastern portions of the site.
have disturbed the entire project area. The existing forest is a relatively young stand ot
volunteer deciduous trees in an area that would have historically been dominated bti
conifers. As noted above, there are numerous species of invasive, non-nati�-e plants that
constitute a significant portion of the lo���er vegetation la��ers on the site.
Sixth Street Short Plat-- Habitat Data Report Raede�e.=lssociates� Ii���
October?8. 200-�
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Urban trash and refuse is common alon the areas of existin� develo ment, es eciall�- on I�
g � P P _ i
the lower slopes on the eastern edge of the property. '
3.S WETLAND FliNCTIONS AND VALUES
Wetlands perform significant roles in the ecosystem, some of which are of immediate
value to society. These roles vary greatly with the size, shape, type, hydrology,
vegetation, and location of the wetland. The assessment of the functions of the wetland
that extends onto the site was completed by The Riley Group, Inc. (2004; see Appendix C
of their report) using the Wetland and Buffer Functions and Semi-quantitative
Performance Assessments methods (Cooke 1995).
The potential fiznctions provided by wetlands include hydrologic support, shoreline
protection; stormwater and floodwater storage, water quality, groundwater recharge, and
provision of wildlife habitat. These functions are summarized below. '
Hydrologic support is defined by the measure of hydrologic stability and environmental
integrity, which the wetland provides. This function is measured by the frequency of
inundation and saturation by streamflow, runoff, and precipitation.
Shoreline protection is defined as a measure of shielding from wave action, erosion, or
storm damage, which a wetland provides. This function is not provided in this wetland,
as there is no open water shoreline to protect.
The stormwater and floodwater storage function is defined as the ability of a wetland
to store water and retard flow during periods of flood or storm discharge.
The water quality function is defined by the physical, biological, and chemical
processes which wetlands provide to naturally purify water.
The groundwater recharge function is defined by the interaction of the underlying
geology and soils, and the surface topography. This function pro��ides fro the movement
of surface water into the groundwater systems.
The habitat function or natural biological function is defined by the complexity of
physical habitats and biological species within the wetland area.
The summary of the functional ratings of the on-site wetlands is given in Table 2. The �,
evaluation resulted in moderate values for all functions (47 to �6 percent of possible '',
points), with the exception of Water Qualit5� Improvement, which was rated high (e.g., 12 '�,
of 12 possible points). I
Sixth Street Short Plat-- Habitat Data Report Raedeke 4ssociate� 1.«� II
October 28. 2004 ��
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3.6 DEVELOPMENT I1�IPACTS �i
The site plan for the proposed development allows for retention of 43 percent of the site
in open space (Figure 1). These open space areas would be largely retained in native '
vegetation, with the exception of any areas that would be altered for stormwater
management facilities. The remainder of the site (e.g., 57 percent) would be generall}�
cleared and graded for roadways, driveways, residential units and associated lav�rns.
The clearing of the on-site habitat would result in a reduction in the amount of wildlife on
the site. We do not expect a reduction in the number of species that use the site, but
rather a reduction in the number of individuals of the different species present. There
would also likely be an increase in the numbers of those species that are adapted to urban
environments (e.g.,robins, crows, starlings, squirrels, and raccoons). We do not expect
any impacts to any threatened, endangered, or sensitive species of plants or animals, as
none have been identified for the site.
There would also be some increase in human intrusion into the retained habitat with
residential development. However,the major open space areas retained are on steep
slopes with relatively dense vegetation, and would not be attractive for causal incursions.
Given the urbanized nature of the area, most species that would be present are quite likely
adapted to some degree of human activity.
The site plan provides substantial protection for the portion of the Class 3 wetland that
extends onto the site. The wetland will be retained in an open space area that extends
dow�n from the top of the slope above the wetland(see Figure 1). The effective buffer
«-ould be greater than the 25-foot buffer that is required by City of Renton code.
Hydrologic support for the wetland is principally from the areas upslope to the west, and
these areas are already developed.
The site development plan protects that wetland from stormwater discharges. The
proposed stormwater management system would collect runoff from the roadways and
drivew�ays in collection basins and treat through a bio-filtration sSTstem. The runoff
���ould then be piped into the City's stormwater system in Rainier Avenue South. Runoff
from the roofs would be discharged from level spreaders at the top of the slopes. '
Sixth Street Short Plat--Habitat Data Report Raedeke Associates Ii�;
October 28, 2004
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4A LIMITATIONS '
We have prepared this report for the exclusive use of Mr. Jack Alhadeff and his
consultants. No other person or agency may rely upon the information, analysis, or
conclusions contained herein without permission from Mr. Alhadeff.
The determination of ecological system classifications, functions, values, and boundaries
is an inexact science, and different individuals and agencies may reach different
conclusions. We cannot guarantee the outcome of such determinations. Therefore, the
conclusions of this report should be reviewed by the appropriate regulatory agencies.
We warrant that the work performed conforms to standards generally accepted in our
field, and was prepared substantiall}� in accordance with then-current technical guidelines
and criteria. The conclusions of this report represent the results of our analysis of the
information provided by the project proponent and their consultants, together with
information gathered in the course of the study. No other warranty; expressed or implied,
is made.
Srxth Street Short Plat--Habitat Data Report Rae�leke.9sso�iares. Inc_
October 28; 200a
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5.0 LITERATURE CITED
Anderson, J., E. Hardy, J. Roach, and R. Witmer. 1976. A land use and land cover
classification system for use with remote sensor data. U.S. Geological Survey
Professional Paper 964. 28 pp.
Brown, E. (ed.). 1985. Management of wildlife and fish habitats in forests of Western
Oregon and Washington. U.S. Dept. of Agriculture, Forest Service, Pacific
Northwest Region. Portland, Oregon. 332 pp.
Brown, H., R. Bury, D. Darda, L. Diller, C. Peterson, and R. Storm. 199�. Reptiles of
Washington and Oregon. Seattle Audubon Society. Seattle, Washington. 176
Pp-
Cooke, S. 1995. Wetland and buffer functions semi-quantitative assessment form.
Cooke Scientific Services. 24 pp.
Cooke, S. 1997. A field guide to common��etland plants of Western Washington and I
Northwestem Oregon. Seattle Audubon Society. Seattle, Washington.
Cowardin, L., F. Golet, V. Carter, and E. LaRoe. 1992. Classification of wetlands and
deepwater habitats of the United States. U.S.D.I. Fish and V4'ildlife Service Publ.
FWS/OBS-79/31. 103 pp.
Dvornich, K., K. McAllister, and K. Aubry. 1997. Amphibians and reptiles of
Washington State: Location data and predicted distributions, Volume 2 in K.
Cassidy, C. Grue, M. Smith and K. Dvornich(eds). Washington State Gap
Analysis. Washington Cooperative Fish and Wildlife Research L'nit, University
of Washington, Seattle, 146 pp.
Guenther, K. and T. Kucera. 1978. Wildlife in the Pacific Northwest: Occurrence by ���
habitat, BLM district, and national forest. US Department of Agriculture, Forest I
Service, Pacific Northwest Region, Portland, Oregon. 128 pp. I
Hickman, J. 1993. The Jepson manual: higher plants of California. Univ. of Cal. Press, I
1400 pp.
Hitchcock, C., and A. Cronquist. 1976. Flora of the Pacific I�orth��est. Univ. of
Vv'ashington Press, Seattle, Washington. 730 pp.
Hunn, E. 1982. Birding in Seattle and King Countv. Seattle Auduban Societ�, Trailside
Series. 160 pp.
Sixth Street Short Plat--Habitat Data Report Raedeke Associates, Inc.
October 28, 2004
10
Johnson, R., and K. Cassidy. 1997. Terrestrial Mammals of Washington State. In K.
Cassidy, C. Grue, M. Smith, and K. Dvornich (eds.). Vol. 3 Washington State
Gap Analysis. Washington Cooperative Fish and Wildlife Research Unit.
University of Washington, Seattle, 146 pp.
Johnson, D. and O'Neil T. 2001. Wildlife-habitat relationships in Oregon and
Washington. Oregon State University Press, Corvallis OR. 736 pp.
Jones, K. 1986. Deserts. Pages 123-147 in A.Y. Cooperrider, R.J. Boyd, and H.R.
Stuart (eds.). Inventory and monitoring of wildlife habitat. U.S. Department of
the Interior, Bureau of Land Management Service Center, Denver, CO.
King County. 1987. Wildlife habitat profile. King County Open Space Program. Parks;
Planning and Resources Development. Seattle, Washington. 111 pp.
Leonard, W., H. Brown, L. Jones, K. McAllister, and R. Storm. 1993. Amphibians of ,
Washington and Oregon. Seattle Audubon Society, Seattle, Washington. 168 pp.
Mueller-Dombois, D. and H. Ellenberg. 1974. Aims and methods of vegetation ecology.
John Wiley and Sons,New York. 547 pp.
Nussbaum, R., E. Brodie; Jr., and R. Storm. 1983. Amphibians & reptiles of the Pacific
Northwest. Univ. Press of Idaho, Moscow, Idaho. 332 pp.
Penland, S. 1984. Avian response to a gradient of urbanization. PhD. Dissertation,
University of Washington, Seattle, VVashington. 407 pp.
Pojar, J., and A. MacKinnon. 1994. Plants of the Pacific Northwest Coast, Washington,
Oregon, British Columbia, and Alaska. B.C. Ministry of Forests; B.C. Forest
Service; Research Program. ,
Raedeke Associates, Inc. 2003. Wildlife reconnaissance of the Alhadeff Uplands, II
Renton, Washington. Summary letter to JDA Group LLC. 4 pp.
Riley Group, Inc. 2004. Conceptual wetland delineation&mitigation report, South I
Parking Lot. Report to JDA Group LLC. 18 pp. plus Appendices.
Rodrick, E. and R. Milner, (eds.). 1991. Management recommendations for
Washington's priority habitats and species. Washington Department of Fish and
Wildlife, Fish!�Ianagement and Habitat Management Divisions. Olympia,
Washington.
Smith, M., P. Mattocks Jr., and K. Cassid}-. 1997. Breeding birds of��'ashin�ton State
�'olume 4In K. Cassidy, C. Grue, 1��L Snlith, and K_ Dvornich (eds.). �'ashin�ton
Sixth Street Short Plat--Habitat Data Report Raedeke,Associates. I1ic.
October 28, 2004
11
State Gap Analysis. Seattle Audubon Society Publications in Zoology No. 1,
Seattle, Washington. 538 pp.
U.S. Fish and Wildlife Service. 2004. Attachment A: Listed and proposed endangered
and threatened species, critical habitat, candidate species and species of concern
that may occur in Western Washington, Pierce County. FWS REF: 1-3-04-sp-
0407. Western Washington Fish and Wildlife Office, Lacey, Washington. 2 pp.
Wahl, T., and D. Paulson. 1994. A guide to bird finding in Washinb on. Bellingham;
Washington. 139 pp.
Washington Department of Fish and Wildlife. 1999. Priorin- habitats and species list.
Habitat Program. Olympia, Washington. 32 pp.
http:www.wa.gov/wdfw/hab/phslist.htm.
Washington Department of Fish and Wildlife. 2002. Habitats and Species map for the
project area: Renton Quadrangle.
Washington Department of Fish and Wildlife. 2004. State listed species, state candidate
species. Olympia, Washington.
Washington Natural Heritage Program. 1997. Endangered, threatened, and sensitive
vascular plants of Washington - with working lists of rare non-vascular species.
Department of Natural Resources. Ol}mpia, `�-ashington. 62 pp.
Sixth Street Short Plat--Habitat Data Report Raedeke:4ssociates, Inc
October 28, 200�
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SIXTH STREET SHORT PLAT
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Table 1. Wildlife species detected andlor expected to occur on the Sixth Street ��
Short Plat property, from the King County(1987)Wildlife Habitat Profile.
FRESH-
WATER UPLAND
S/A' Statusz 11 24B
AMPHIBIANS
l�orthwestern Salamander .4mbvstoma gracile E
Long-toed Salamander Ambystoma macrodactylum E
Pacific Giant Salamander Dicamptodon tenebrosus E
Roughskin Newt Taricha gr�anulosa E
Ensatina Ensatina eschscholtzii E
Western Redback Salamander Plethodon vehiculum E
Westem Toad Bufo boreas FCo/Sc E
Pacific Treefrog Pseudacris regilla E E
Red-legged Frog Rana aurora FCo E E
REPTILES � ,
Northern Alligator Lizard Elgaria coerulea E
Rubber Boa Charina bottae E
Common Garter Snake Thamnophis sirtalis E E
Western Terrestrial Garter Snake Thamnophis elegans E E
Northwestern Garter Snake Thamnophis ordinoides E
BIRDS
Great Blue Heron Ardea herodias R/C Sm E
Green Heron(Green-backed heron) Butorides virescens R/U Sm E
Wood Duck Aix sponsa S/C Sg E
Mallard Anas plaryrhynchos R/C E
Blue-winged Teal Anas discors S/C E
Cinnamon Teal Anas cyanoptera S/C E
Sharp-shinned Hawk Accipiter striatus R/U E
Cooper's Hawk Accipiter cooperii R/L1 E
Red-tailed Hawk Buteo jamaicensis R/LT E
Ruffed Grouse Bonasa umbellus R/C E
Virginia Rail Rallus limicola R/C E
American Coot Fulica americana R/C E
Solitary Sandpiper Tringa solitaria E
Band-tailed Pigeon Columba fasciata R/LJ Sg E
Common Barn-Owl Tyto alba R�LJ E
Sixth Street Short Plat- Raedeke Associates, Inc.
Habitat Data Report October 28, 2004
Table l. Continued.
FRESH- I
WATER UPLAND
S/A� Status2 11 24B '
Western Screech-Owl Otus kennicottii R/U E
Great Homed Owl Bubo virginianus R/C E I,
Barred Owl Strix varia R/U E
Northern Saw-whet Owl Aegolius acadicus R/C E
Common Nighthawk4 Chordeiles minor S/C
Black Swift4 Cypseloides niger S Sm
Vaux's Swift° Chaetura vauxi S/C Sc
Rufous Hummingbird Selasphorus rufus S/C E ,
Red-breasted Sapsucker Sphyrapicus ruber S/C E I
Downy Woodpecker Picoides pubescens R/C E '
Northern Flicker Colaptes auratus R/C E
Pileated Woodpecker Dryocopus pileatus R/CT Sc E �,
Westem Wood-Pewee Contopus sordidulus S/LT E �,
Willow Flycatcher Empidonax traillii S/C FCo E
Hammond's Flycatcher Empidonax hammondii S/U E
Pacific Slope Flycatcher Empidonax d�cilis S/C E
Purple Martin° Progne subis S/U Sc
Tree Swallow4 Tachycineta bicolor S/C
Violet-green Swallow4 Tachycineta thalassina
Northern Rough-winged Swallow4 Stelgidopteryx serripennis S/C
Bank Swallow4 Riparia riparia S/C
Clif�Swallow4 Petrochelidon pyrrhonota S/C
Bam Swallow4 Hirundo rustica S/C
Steller's Jay Cyanocitta stelleri R/C E
American/Northwestem Crow Corvus brachyrhynchos R/C E
Black-capped Chickadee Poecile atricapillus R/C E
Bushtit Psaltriparus minimus R/C E
Brown Creeper Certhia americana R/C E
Bewick's Wren Thryomanes bewickii R/C E
Marsh Wren Cistothorus palustris RIC E
Golden-cro�med Kinglet Regulus satrapa R/C E
Sixth Street Short Plat- Raedeke Associates, Inc.
Habitat Data Report October 28, 2004
�
Table 1. Continued.
FRESH-
WATER UPLAND
S/A1 Statusz 11 24B
Ruby-crowned Kinglet Regulus calendula W/C E
Swainson's Thrush Catharus ustulatus S/C E
American Robin Turdus migratorius R/C E
Varied Thrush LCoreus naevius W/C E
Cedar Waxwing Bombycilla cedrorum S/C E
European Starling(n Sturnus vulgaris R/CJ E
Solitary Vireo Vireo cassini S/C E
Hutton's Vireo Vireo huttoni R/C E
Warbling Vireo Vireo gilvus S/U E
Red-eyed Vireo Vireo olivaceus S/C E
Orange-crowned Warbler Yermivora celata S/C E E
Yellow Warbler Dendroica petechia S/C E
Yellow-rumped Warbler Dendroica coronata M/C E
Black-throated Gray Warbler Dendroica nigrescens S/C E
MacGillivray's Warbler Oporornis tolmiei S/C E E
Common Yellowthroat Geothlypis trichas S/C E
Wilson's Warbler Wilsonia pusilla S/C E
Westem Tanager Piranga ludoviciana S/C E
Black-headed Grosbeak Pheucticus melanocephalus S/C E
Evening Grosbeak Coccothraustes vespertinus R/C E
Spotted Towhee (Rufous-sided) Pipilo maculatus R/C E
Fox Sparrow Passerella iliaca R/C E
Song Sparrow Melospiza melodia R/C E E
LInc.oln's Sparrow Melospiza llnc.olnii M/C E
Dark-eyed Junco Junco hyemalis R/C E
Red-winged Blackbird Agelaius phoeniceus R/C E
Brown-headed Cowbird Molothrus ater S/C E
Purple FInc.h Carpodacus purpureus R/C E
House Flnc.h Carpodacus mexicanus R/C E
Pine Siskin Carduelis pinus R/C E
American GoldfInc.h Carduelis tristis S/C E
MA11�iMALS '
Common Opossum (n Didelphis virginiana E
Si.zth Street Short Plat- Raedeke Associates,Inc.
Habitat Data Report October 28, 2004
— - ,
Table 1. Continued. i
FRESH- I
WATER UPLAND
S/A' Status2 I1 24B
Dusky Shrew Sorex monticolus E
Shrew-mole Neurotrichus gibbsii E
Townsend's Mole Scapanus townsendii E
Coast Mole Scapanus orarius E
Little Brown Myotis4 Myotis lucifugus
Yuma Myotis4 Myotis yumanensis
Long-eared Myotis4 Myotis evotis FCo/Sm
California Myotis4 Myotis californicus
Silver-haired Bat4 Lasionycteris noctivagans
Big Brown Bat4 Eptesicus fuscus
Hoary Bat4 Lasiurus cinereus
Townsend's Big-eared Bat4 Plecotus townsendii FCo/Sc
Snowshoe Hare Lepus americanus E
Eastern Cottontail(n Sylvilagus floridanus E
� Aplodontia(Mountain Beaver) tlplodontia rufa E
� Townsend's Chipmunk Tamias townsendii E
i Northern Flying Squirrel Glaucomys sabrinus E
Deer Mouse Peromyscus maniculatus E
Bushy-tailed Woodrat Neotoma cinerea E
Creeping Vole (Oregon) Microtuus oregoni E
Muskrat Ondatra zibethicus E
Porcupine Erethizon dorsatum E
Raccoon Procyon lotor E
Ermine (short-tailed weasel) Mustela erminea E
Long-tailed Weasel Mustela frenata E
Mink Mustela vison Sg E
Striped Skunk Mephitis mephitis E
Coyote Canis latrans E
Red Fox Vulpes vulpes E
Columbian Black-Tailed Deer(Mule Deer} Odocoileus hemionus E E
TOTAL NUMBER OF SPECIESS 23 89
Sixth Street Short Plat- Raedeke Associates, Inc.
Habitat Data Report October Z8, 2004
r
Table l. Continued. I
Notes:
E = species expected to occur in the habitat indicated, during part or all of annual cycle.
I=species introduced to the State of Washington.
' SIA= Seasonality/Abundance:
Seasonality: F = fall; M=migrating; R=resident; S = summer; W= winter. Abundance: C = common;
R=rare; U=uncommon.
2 Status:
FCo =Federal species of concern; Fc=Federal candidate; Fe= Federal endangered;
Fm= Federal monitor; Ft=Federal threatened; Sc= State candidate; Sg= State game;
Srn= State monitor; St= State threatened; Se= State endangered
3 Habitats:
11 = shrub wetland; 24B = second-growth lowland forest- deciduous
4 Forages aerially over many habitats.
5 Excludes aerial foragers indicated by (4).
Sixth Street Short Plat- Raedeke Associates, Inc.
Habitat Data Report October 28, 2004
�
14
Table 2. Summary of«-etland functions and values assessment from The Riley
Group, Inc. (2004).
Funetion Score Possible Percent
Flood/Stormwater control 8 15 53 percent
Base flow/Ground water support 7 15 47 percent
Erosion/Shoreline protection 5 9 56 percent
VVater qualit�r improvement 12 12 100 percent
-- Natural biological support 18 18 50 percent
Overall habitat functions 8 9 56 percent
Specific habitat functions 8 1� �3 percent
Srxth Street Short Plat--Habitat Data Report Raedeke.Associates, Inc.
October 28, 2004