Changes in the Distribution and Abundance of Waved Albatrosses at Isla Española, Galápagos Islands, Ecuador

In 1994 a complete census of the Waved Albatross (Phoebastria irrorata) at Isla Española, Galápagos Islands, Ecuador estimated the world population as at least 18,200 breeding pairs, a 52% increase over the 1970-1971 estimate of 12,000 breeding pairs. Two small inland colonies disappeared between 19...

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Veröffentlicht in:	The Condor (Los Angeles, Calif.) Calif.), 1998-11, Vol.100 (4), p.737-740
1. Verfasser:	Douglas, Hector D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal nesting Animal populations Animal reproduction Animal, plant and microbial ecology Animals Aves Biological and medical sciences Bird migration Breeding Censuses Demecology Eggs Estimation methods Fundamental and applied biological sciences. Psychology Habitats Islands Nesting sites Ornithology Oviposition Phoebastria irrorata Population estimates Short Communications Thickets Vertebrata World population
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Beschreibung
Zusammenfassung:	In 1994 a complete census of the Waved Albatross (Phoebastria irrorata) at Isla Española, Galápagos Islands, Ecuador estimated the world population as at least 18,200 breeding pairs, a 52% increase over the 1970-1971 estimate of 12,000 breeding pairs. Two small inland colonies disappeared between 1971 and 1994, estimates for two coastal colonies increased by at least 138 and 335%, and one other large colony remained stable over this same time period.
ISSN:	0010-5422 1938-5129 2732-4621
DOI:	10.2307/1369757