We reviewed the occurrences and distributional patterns of migratory species of birds in
Brazil. A species was classified as migratory when at least part of its population performs …

Subtropical convergence regions in the southwestern Atlantic have a high biological
productivity, and are important as nursery and feeding areas and as reproduction grounds …

The population of the rufa subspecies of the red knot Calidris canutus, which breeds in the
central Canadian arctic and mainly winters in Tierra del Fuego, has declined dramatically …

Fifty-one bird censuses were carried out along 60 km of beach to the south of Cassino, 32
12'S, 52 10'W; from May 1982 to December 1986. Mean monthly bird density was highest …

Neste artigo, a lista das aves do estado do Rio Grande do Sul (281.749 km²) é revisada e
atualizada. A inclusão de espécies na lista seguiu dois critérios principais:(i) ocorrência no …

Understanding the biology, constraints of migration, and the yearly movement patterns of
birds is essential to conserving them, particularly in the case of long-distant migrant …

We studied the food and feeding ecology of Red Knots Calidris canutus rufa on an area of
rocky flat, or restinga, near San Antonio Oeste in the northwest of Golfo San Matías …

White-rumped Sandpipers (Calidris fuscicollis) migrate between Canadian Arctic breeding
areas and" wintering" areas in Patagonia, one of the longest animal migrations in the …

The Semipalmated Sandpiper (Calidris pusilla) is a small, abundant shorebird that breeds
primarily in sub-Arctic to mid-Arctic habitats across the Nearctic and winters principally along …

A composição florística e a estrutura do componente arbóreo foram analisadas na floresta
de restinga turfosa do Parque Nacional da Lagoa do Peixe (31º04'-31º29'S, 50º461 …