ENSC 320 Lecture Notes - Lecture 8: Habitat Destruction, Prothonotary Warbler, Campephilus
21 Aug 2016
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Document Summary
By 1939, estimated 24 birds left, no more than 8 in any one place subsequent descriptions by early north america omithologists. May live 20-30 years excavate trees for roosts and nesting cavities. Begin breeding in january, an average of 3 eggs per clutch. Call: nasal sounding kent" (like a toy horn) Knock: unique double-knock characteristic of the genus campephilus. Second knock louder than the first: possibly territorial, used to announce presence. Approximate boundary of early historical range in the usa and cuba: (birds of north america, cornell university) Essential habitat characteristics: very extensive, continuous forest areas. Tanner estimated each nesting pair required 16km^2 continuous interior forest. Some suggestions that birds may have been semi-nomadic. Virtually all recorded observations are from deep forest interior: diverse species composition trees of diverse species and ages. Maintained by either fire (pinelands) or intermittent flooding (bottomlands)
