Breeding in Middle America, North America: widespread; can be seen in 53 countries. Feeding. Control and Physiology of Migration. They prefer sandy beaches for nesting, but will use a flat gravel roof of a building. comm., 17 Jan.). Annual adult survival is typically over 0.85 (Thompson et al. While its breeding range is broad, and it is common in places, this species has faced many challenges. tail. 0.5 (Thompson et al. 1997). The Least Tern was formerly considered conspecific (one and the same species) with the Little Tern found in the Old World (Europe / Asia / Africa) - but is now considered a separate (albeit closely related) species. The longevity record for a Least Tern is 24 years, 1 month, and several reports exist of Least Terns living 20 or more years. Least Tern (Sternula antillarum) bird sounds on dibird.com. Habitat in Nonbreeding Range. black-capped tern with white underparts . The Least Terns (Sternula antillarum, formerly Sterna antillarum) are the smallest of the American Terns.They occur naturally in North America and northern South America. Diet and Foraging.

Timing and Routes of Migration. Least Terns arrive at Bitter Lake NWR in early May and remain through August (Thompson et al.
and gray upper body, wings and forked .

California least terns winter along the west coast of Central and South America (Massey 1977).

Winter sightings have been reported from western Mexico, Guatemala, Gulf of Panama, Ecuador, Peru, Chile, and Hawaii (Tom Ryan 2014, pers. areas, the least tern has a white forehead . American terns (about 9 in. Movements and Migration. Interior Least Terns (Sternula antillarum) (ILT) are colonial, fish-eating birds that breed within active channels of large sand bed rivers of the Great Plains and in the Lower Mississippi Valley.Multipurpose dams, irrigation structures, and engineered navigation systems have been present on … terns that also inhabit New Jersey’s coastal . Migratory Behavior. Migration Overview.

On sunny days the hot tar showing through the gravel can burn the feet of chicks or become stuck in their down. Unlike the common and Forster’s . The least tern is the smallest of the North . In The Birds of North America (A. F. Poole and F. B. Gill, Editors). 1997). In the 1800s, ladies wore hats with bird feathers, and Least Tern wings were used as decorations. 2016 Interior Least Tern and Piping Plover Report for the lower Platte River, Nebraska Page 6 DEFINITIONS Off River Site Definitions Active mine – an off-river site managed by a sand and gravel mining company that is actively mined and is regulated by …
in length), a .
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