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Shrub Steppe. Shrub over-story Grass, forb under-story and microbiotic crust of mosses and lichens Lost over ½ Remaining fragmented and degraded. Shrub Steppe Wildlife. Hundreds of species Classes of Animals 2 Reptiles,6 mammals,12 birds Obligates, Generalists, Native and Exotic.
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Shrub Steppe • Shrub over-story • Grass, forb under-story and microbiotic crust of mosses and lichens • Lost over ½ • Remaining fragmented and degraded
Shrub Steppe Wildlife • Hundreds of species • Classes of Animals • 2 Reptiles,6 mammals,12 birds • Obligates, Generalists, Native and Exotic
Reptiles • Turtles, Snakes and Lizards • Ectothermic • Dry scales • Shed their skin • Lizards have legs, claws and moveable eyelids
Western Rattlesnake • Pit viper – our only venomous snake • Forked tongue • Stereo smell-taste and heat sensing • Have live young • Feed mostly on small mammals • Native, Generalist
Sagebrush Lizard • External ears • Native, Obligate • Good eyesight – color • Can “drop” tail and grow another • Feed mostly on insects
Mammals • Endothermic • Hair • Milk • Young are born alive
Yellow-bellied Marmot • Marmots are rodents • Native, Generalist • Hibernate • Rocky areas • Hoary marmot – alpine areas
White-tailed Jackrabbit • Jackrabbits are hares • Native, Generalist • Black-tailed and Snowshoe hares • Jackrabbits are important prey • Grayish white in winter
Pygmy Rabbit • Native, Obligate • ½ size of CT without the tail • State and Federally Endangered (Columbia Basin) • Dig their own burrows
Voles • Most have small round eyes, ears and bodies. • Sagebrush vole is an obligate • Others include: red-backed, montane, long tailed, and water vole • Dig long burrow systems
Pocket Gopher • Rodent • Native, Generalist • Burrows • Water infiltration, Soil mixing • Feeds above and below ground
Deer Mouse • Rodent • Native, Generalist • Omnivorous • Prey item • Hantavirus
Birds • Endothermic • Feathers • Honey-Combed bones • Lay eggs • Most fly
Sage Thrasher • Native, Obligate • March-August Winters from southern Nevada into Mexico • Negatively correlated with annual grass and Sandberg’s bluegrass
Greater Sage-Grouse • Native, Obligate • Washington’s pop. < 77% since 1960. • State Threatened Federal Candidate
Western Meadowlark • Native, Generalist • Widespread, Common • Year around resident or short distance migrant • Related to blackbirds • Feed on ground
Golden Eagle • Native, Generalist • Lead poisoning • Chukar & Y.B. marmot • Cliffs and trees
Great-Horned Owl • Native, Generalist • Long lived, large and powerful • Adapted to night hunting • Do not build their own nests
Red-tailed Hawk • Native, Generalist • Year around resident • Expanded range
California Quail • Native to N.A., Expanded range • Generalist • Does very well with people
Wild Turkey • Native N.A. • Expanded Range • Generalist
Rock Dove • Exotic, Generalist • Size and color varies • Cities, towns, agriculture
Chukar • Exotic, Obligate • Western shrub steppe habitats • Great climbers
Ring-necked Pheasant • Exotic, Generalist • Adapted to agricultural Areas