3/6/2023 0 Comments Chipping sparrow![]() ![]() ![]() The individual elements in the trill are very similar to a high pitch “chi chi chi” call. Upon arrival in the breeding range, males establish territories from which they sing to attract females. Most breeding activities have been observed between late April to May. They migrate to southern United States and Mexico for the winter. In western North America, they prefer conifer forests for breeding. In eastern North America, Chipping Sparrows typically nest in woodlands, agricultural lands, as well as suburban and urban areas. Usually arrive in their breeding territories in March through May. Outside the breeding season, they are usually found in flocks with other Chipping Sparrows or with other species, such as Eastern Bluebirds and Pine Warblers. Flocks of them typically travel at night and during their spring and fall migrations, their flight calls are characteristic night sounds in the United States. Juveniles undergo three molts in their first year – referred to as first plumage-cycle.Ĭhipping Sparrows are partially migratory and move south for the winter. The brownish cap and dusky eyebrow are variable but generally not as defined in young birds.Īdult Chipping Sparrows go through two molts a year – in late summer and late winter. They have dark eye-lines, extending both in front of and behind the eyes. Juveniles are prominently streaked below. When breeding, they have a nearly white supercilium (line above each eye), and a black trans-ocular line (running through the eye). They have dusky eyebrows and dark eye-lines. Outside the breeding season, adults have brownish cap, an orangey-rust upper plumage and are grey below. ![]() Range: Northeastern Guatemala (eastern Petén), Belize, Honduras, northern El Salvador and northeastern Nicaragua.Spizella passerina pinetorum – Salvin, 1863.Range: Found in the highlands of central and southern Mexico from Nayarit, north-central Jalisco, Guanajuato, San Luis Potosí, Hidalgo and eastern Veracruz south to Chiapas and northwestern Guatemala.Spizella passerina mexicana – Nelson, 1899.Range: Western Mexico in Sierra Madre Occidental from southern Chihuahua and southern Durango east to central Nuevo León and south to Aguascalientes and northeastern Jalisco.Another race “ boreophila” from Fort Simpson, Mackenzie, in Canada, is considered a synonym of arizonae.They winter in southwestern USA (central California, southern Nevada, central and southeastern Arizona, central New Mexico and central Texas), south to Baja California and highlands of Mexico (south to Oaxaca).They also breed in western USA east to western and central Texas, south to Mexico (northern Baja California, northwestern Sonora, southwestern Chihuahua, Durango and Coahuila. They breed in eastern Alaska, western and central Canada (from western Yukon and central Mackenzie east to northern Saskatchewan, northern Manitoba and western Ontario).Western Chipping Sparrow (Spizella passerina arizonae – Coues, 1872 ) – Found in the mountains and arid habitats of western North America.They winter from Oklahoma and Arkansas east to Virginia and Maryland south to southern Florida, Gulf Coast and northeastern Mexico (Nuevo León and Tamaulipas).Breed in northern Minnesota, northern Michigan and southeastern Canada (central Ontario and south Quebec east to southwestern Newfoundland), south to Oklahoma, southeastern Texas, central Louisiana, southern Mississippi, northwestern Florida, central Georgia and southeastern South Carolina.Eastern Chipping Sparrow (Spizella passerina passerina – Bechstein, 1798) – Nominate Race. ![]() These sparrows often visit gardens and can grow quite confiding. The Chipping Sparrows (Spizella passerina) are widespread and common across most of their North American range. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |