Birds of Blaine County : Riparian Point Count Surveys 2005 2006
Birds of Blaine County : Riparian Point Count Surveys 2005 2006
Montana Natural Heritage Program
The book Birds of Blaine County : Riparian Point Count Surveys 2005 2006 was written by author Montana Natural Heritage Program Here you can read free online of Birds of Blaine County : Riparian Point Count Surveys 2005 2006 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Birds of Blaine County : Riparian Point Count Surveys 2005 2006 a good or bad book?
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Colonies may consist of tens of pairs to thousands of individuals (Ehrlich et al. 1988). If available, the Common Tern usually nests on islands that often aid in the protection of young from predators. Some of the most common features of nest site selection include close proximity to water, a sandy or gravelly substrate, and an area with scattered vegetation for chicks to use as protective shelter (Nisbet 2002). The main source of food for this species is small fish (Ehrlich etal. 1988, Nisbet ...2002). The Forster's Tern generally breeds in open water wetlands. One of the key features of suitable nesting habitat are vegetated islands or floating vegetation within open water that mimic islands (McNichoU et al. 2001). The primary item in this tern's diet is small fish, with the balance comprised of insects and aquatic invertebrates (Ehrlich et al. 1988). In Montana, the Forster's Tern is restricted to scattered breeding locations east of the Continental Divide and generally north of the Missouri River (Lenard et al.
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