It is a small, brown, yellow, and white bird with a distinctive black facial mask and black headband, which extends in … One of the best ways to see Red-shouldered Hawks is to learn their distinctive whistle. Prior to European settlement, natural and human-induced fires helped to maintain the open habitat required by grassland birds like Horned Lark. ... the same pattern as males. The streaked horned lark (Eremophila alpestris strigata) is a subspecies of horned lark endemic to the Pacific Northwest that was listed as threatened under the Endangered Species Act in 2013. Buteo lineatus. 5 pp. Moore (2008b) reported that streaked horned larks wintering in the Willamette Valley concentrate their They feed their nestlings protein filled insects and some invertebrates such as sowbugs and earthworms. Two to four days after preparing the site, she begins weaving her nest from grass, small roots, shredded cornstalks, and other plant material, then lines it … A rather chunky sparrow of the open fields, known at all seasons by its streaked appearance and its white outer tail feathers. Description: The Red-Shouldered Hawk is one of the most distinctively marked common hawks, with barred reddish-peachy underparts and a strongly banded tail. Department of Fisheries and Wildlife and Oak Creek Lab of Biology, Oregon State University, C orvallis, Oregon. Diet The streaked horned lark feeds on a diversity of food types, primarily grass seeds and small insects, including some fruits. 2000. Rogers, R.E. Not as shy as many grassland sparrows, it can be observed rather easily. In summer, its clear musical song may be heard at any time of day; but the naturalist John Burroughs, feeling that it sang most impressively in the evening, gave it the name of Vesper Sparrow. Department of Fisheries and Wildlife and Oak Creek Lab of Biology, Oregon State University, C orvallis, Oregon. In 1990, the Wash … Horned Lark strigata subspecies (Eremophila alpestris strigata), more commonly known as Streaked Horned Lark, is the rarest subspecies of Horned Lark in Canada. Streaked horned larks glean most of their sustenance from the ground, but sometimes harvest seeds from seed heads by perching on plants (Beason 1995). Figure 16-Sampling sites and diet char acteristics of streaked horned larks at thos e sites as determined from fecal sample analysis, Winter 2007. Adult horned larks eat mostly weed seeds, grass seeds, and waste grains. The Horned Lark’s nest is a basket woven of fine grass or other plant materials and lined with finer material. The western meadowlark (Sturnella neglecta) is a medium-sized icterid bird, about 8.5 in (22 cm) in length. Horned Larks are small birds that live in large, empty fields—and they’re roughly the same color and size as a clod of dirt. Genetic data for horned larks from the Puget Trough, coastal Washington, the lower Columbia River, Alaska, alpine Washington (Cascades but not the Olympic Mountains), eastern Washington, eastern Oregon, and California indicate that the streaked horned lark is unique, isolated, and has little genetic diversity (Drovetski et al. These larks are very rare: population estimates now hover around 1,500 individuals, 80% of which are in the Willamette Valley. streaked horned lark (Eremophila alpestris strigata) during winter. Streaked Horned Lark 1 SUMMARY The Streaked Horned Lark (Eremophila alpestris strigata) is a recognized subspecies of the Horned Lark (American Ornithologists’ Union 1957) and is a federal and state candidate for listing under the state and federal Endangered Species Acts.

Streaked horned lark (E. a. strigata) – (Henshaw, 1884): Found on coastal southern British Columbia (western Canada) to coastal Oregon (western USA) St. Helens horned lark (E. a. alpina) – (Jewett, 1943): Found on mountains of western Washington (northwestern USA) Oregon horned lark (E. a. lamprochroma) – (Oberholser, 1932): Found on inland mountains of western USA; Desert horned lark … It is perhaps the most distinct subspecies of the horned lark, a small common ground- dwelling passerine that prefers open grassland habitat (Beason 1995, Rogers 2000, Stinson 2005). To find them, look for the barest ground around and scan the ground carefully, watching for movement or for the birds to turn their black-and-yellow faces toward you. Juveniles show a muted version of the facial pattern but are otherwise sparrow-like, with a streaked chest and pale spots on the back. One of these, the Streaked Horned Lark, numbers fewer than 2,000 and was listed as Threatened under the Endangered Species Act in 2013.

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