Birds; Grasslands; Migratory birds; Perching birds; Research; Species of concern;
This is a description of the molt and aging criteria for four grassland passerines. The species covered are Sprague's Pipit, Grasshopper sparrow, Baird's sparrows, and Chestnut-collared Longspurs. Molt information is important for determining...
Endangered species; Birds; Birds of prey; Captive breeding; Reintroduction; Raptors;
1976, (41 FR 187). Long recognized as a vanishing species (Cooper 1890, Koford 1953, Wilbur 1978), the California condor remains one ofthe world’s rarest and most imperiled vertebrate species. Despite intensive conservation...
A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)
Bar-tailed Godwits are large wading birds at about 37 to 45 cm. The Bar-tailed Godwit is a mottled brown in the upper body and a lighter buff below. It has a white underwing, and a long, slightly upturned bill. As the name suggests, the white tail...
Brown head Reddish breast and underwing coverts Pale belly barred heavily with reddish Reddish lesser uppersecondary coverts appear as reddish shoulder at rest Flight feathers dark above with white barring Flight feathers pale below with dark...