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Appendix D Biological Resources Background Information Species Status* Habitat Potential For Occurance San Joaquin pocket FSC Occurs in dry, open Low. Study Area is located along the mouse grasslands or scrub areas west edge of range and below typical Perognathus on fine-textured soils elevation range of this species. inornatus inomatus between 350 and 600m. Forages on seeds, green vegetation and insects. San Francisco FSC,CSC Occurs in forest habitats Moderate. Typical oak habitat present in dusky-footed of moderate canopy and the Study Area. wood rat moderate to dense Neotoma fuscipes understory. Also found in annectens chaparral habitats. Feeds mainly on woody plants: live oak, maple, coffee berry, alder, and elderberry American badger CSC Found in many habitat Low. Area is surrounded by freeway and types where burrowing development. mammals occur; most common in grassland communities. San Joaquin kit fox FE,ST Found in annual Low. Area is surrounded by freeway and Vufpes macrotis grasslands or grassy development. mutica open stages with scattered shrubby vegetation. Need loose- textured sandy soils for burrowing and suitable prey base. Birds double-crested CSC Nests along coast on Low. Suitable nest habitat is not cormorant sequestered islets, present. Phalacrocorax usually on ground with auritus sloping surface or in tall trees along lake margins. American bittern FSC Occurs in fresh emergent High Potential. Suitable aquatic habitat Botaurus wetlands, often hiding, present. lentiginosus resting, and roosting solitarily amidst tall, dense, emergent vegetation, on ground, or near ground on log, stump, or on emergent plants. great blue heron none I nhabits freshwater, Low. No recorded rookeries in vicinity. (rookery) mudfiats, tidal shallows, Ardea alba and marshes. Nest in colonies in large trees. DB