The bird’s discovery began a remarkable story about life on this planet. Oberholser, H. C. 1974.
Dark-eyed Juncos and various other species are also well known visitors to feeders during the winter months.
Cassin’s Sparrow Habitat Sonora Caverns, Sonora, Texas (April 2019). Bald Eagle. It is known that the sparrow is rarely found in the northern part of its range which might be because of rainfall. The iris is dark brown. 2008). ), ocotillo or bunch grasses]. Areas with this same relative abundance were found in eastern New Mexico and Colorado (Sauer et al. ), hackberry (Celtis spp. (2014). harvtxt error: no target: CITEREFWilloughby1986 (, J. Dunning personal communication cited by, American Ornithologists' Union Committee on Classification and Nomenclature—North and Middle America 2010, "Mystery bird: Cassin's sparrow, Peucaea cassinii", "Region 2 Sensitive Species Evaluation Form", "Cassin's sparrow status assessment and conservation plan", "Songs of Aimophila sparrows occurring in the United States", A guide to the birds of Mexico and northern Central America, "Use of song patterns to identify individual male Cassin's Sparrows", "A preliminary survey of the sparrows of the genus, "A New Breeding Bird for Colorado: The Cassin Sparrow (Peucæa cassini) Nesting near Denver", Public Radio International's Living on Earth Environmental News Magazine, https://en.wikipedia.org/w/index.php?title=Cassin%27s_sparrow&oldid=960832744, Native birds of the Plains-Midwest (United States), Taxa named by Samuel Washington Woodhouse, Wikipedia articles incorporating text from the United States Fish and Wildlife Service, Creative Commons Attribution-ShareAlike License. Audubon Arizona Audubon Arizona’s mission is to protect the outdoor spaces we love and help prevent the decline of birds, as well as other wildlife, and their habitats. This functionality is provided solely for your convenience and is in no way intended to replace human translation.
The sparrow can be found in south-central states. College Station TX 77843-2258 1 July 2019 “I Named It in Honor of My Friend …” – Samuel Woodhouse named Cassin’s Sparrow in honor of his friend, John Cassin. , Byers, Curson & Olsson (1995) noted that some birds, mainly in the eastern part of their range, tend to be more rufous above, slightly buffier below, and have plainer tails with less obvious shaft streaks and barring on the central rectrices.  Oberholser (1974) particularly mentions the consumption of seeds of chickweed (family Alsinaceae), plantain (Plantago spp. Photo: Martha Marks/Shutterstock. What causes these movements is unknown, but hypotheses include east-to-west migration, dispersal of birds that were unsuccessful breeding in another area, and nomadism. Nests average 3.4 inches wide, with interior cup 2.8 inches across and 2.2 inches deep. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. M.S.
thesis, Angelo State Univ., San Angelo, TX. or other vegetative forms that approximate shrub structure [e.g. In the northern parts of their range, Cassin’s Sparrows breed in grassy sandhills with sand sagebrush, rubber rabbitbrush, greasewood, yucca, and prickly pear. In migration and winter, also found in pure grassland, brushy areas, deserts.
In dry grassland country of the Southwest in summer, this plain brown sparrow is often seen flying up from a bush top and then fluttering down in a "skylarking" display, giving a song of sweet trills and notes. Schnase, J. L., W. E. Grant, T. C. Maxwell and J. J. Leggett. However, Wolf (1977) reported that the stomachs of ten adults taken during the breeding season (late June and early July) contained animal and vegetable matter in about equal proportions (52% and 48%, respectively; range = 5–95%). The lateral two rectrices are edged and tipped in pale gray or white, with smaller pale areas at the tips of the next two pairs inward. Cassin's Sparrows eat seeds and insects year-round, though the diet consists mostly of seeds in winter. The male Cassin’s In Arizona 79% of breeding evidence was found in semi-arid grassland, often with scattered trees and shrubs (Corman 2005). Migrants and wintering birds select similar habitats throughout the range. scJsHost+ Rare, little known, and difficult to find in its known Mexican range, this species may be more adapted to grassland habitats that have disappeared or been drastically altered since European settlement.
Cassin’s Sparrow flies north into Great Plains states, into arid grasslands, to breed. BREDING HABITAT.  When flushed, they fly to a bush or fence, or may drop back into the grass.
They feed mostly on the ground, moving along by hops, picking up seeds and insects from the ground, picking insects from low vegetation, or stripping seeds or flower buds from plants. Sauer, J. R., J. E. Hines, and J. Fallon.
Designated as a presupplemental molt, this molt has been fully documented in certain species only recently, having been found in 16 species of North American passerines to date. Except for the marvelous conspicuousness of the male’s song flight, Cassin’s Sparrows are rather unobtrusive birds.
. In Arizona breeding bird atlas.
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We estimated Cassin's sparrow territory area using territory mapping and song playback. Members of this family are for the most part common birds with plenty of available habitat. Foliage gleaning from within mesquite (Prosopis spp.)
It’s the least you can do. and other shrubs was only prominent after nestlings and fledglings were present. Mainly insects and seeds. Male Cassin’s rarely chase or attack other males but do countersing with them at the edges of their territories. In migration and winter, also found in pure grassland, brushy areas, deserts. Listen to their chorus here. In flight, the long, roundish tail is obvious and the white tips of the tail feathers are sometimes apparent. Cassin's Sparrow: Medium, skulking grassland sparrow, fine brown streaks on gray-brown head and back, buff underparts. With their nomadic tendencies, they sometimes turn up far outside their normal range, with scattered records from coast to coast. Both parents feed the nestlings. During the 1987-1992 field work seasons of the TBBA project, researchers found confirmed breeding evidence for Cassin’s Sparrows in 104 blocks, probable evidence in 488 blocks and possible evidence in 133. There is a report of Cassin's sparrows eating flower buds of blackthorn bush (Condalia spathulata) in season.
One of the most commonly seen sparrows in the United States, the House Sparrow, is not a member of this family and, as an imported species, is actually more closely related to African weaver finches and European sparrows than North American sparrows. 2007. In South Texas, they occupy bunchgrass communities with spiny hackberry and prickly pear, while in West Texas they inhabit grasslands with scattered mesquite and juniper. Dunning, Jr., J. Explore Birds of the World to learn more.  In flight songs (or skylarking), the territorial male flies up from an exposed perch, such as a bush, to as much as 5 – 10 m in the air, then sings as he glides or flutters down in an arc to a nearby bush or the ground. Brett S Cooper, R. Dwayne Elmore, Fred S Guthery, Paul Van Els "Territory Characteristics of Cassin's Sparrows in Northwestern Oklahoma," The American Midland Naturalist, 171(1), 90-96, (1 January 2014), Registered users receive a variety of benefits including the ability to customize email alerts, create favorite journals list, and save searches.
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