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The fledging of common and thick-billed murres on Middleton Island, Alaska

Journal of Field Ornithology
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Abstract

Three species of alcids, Common and Thick-billed murres (Uria aalge and U. lomvia) and the Razorbill (Alca torda), have post-hatching developmental patterns intermediate to precocial and semi-precocial modes (Sealy 1973). The young leave their cliff nest sites at about one quarter of adult weight and complete their growth at sea. At departure, an event here loosely referred to as "fledging," neither primary nor secondary flight feathers are grown, but well-developed wing coverts enable limited, descending flight.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title The fledging of common and thick-billed murres on Middleton Island, Alaska
Series title Journal of Field Ornithology
Volume 54
Issue 3
Year Published 1983
Language English
Publisher Wiley
Contributing office(s) Alaska Science Center
Description 9 p.
First page 266
Last page 274
Country United States
State Alaska
Other Geospatial Middleton Island
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