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Survival and causes of mortality in juvenile Puerto Rican parrots

Journal of Field Ornithology

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Abstract

Fifteen juvenile Puerto Rican Parrots (Amazona vittata) from wild nests in 1985, 1986 and 1987 were radio monitored an average of 110 +- 15.9 (SE) d (range 4-209 d) post-fledgling. Minimum survival was 67% (n = 3) in 1985, 100% (n = 4) in 1986 and 43% (n = 7) in 1987. Most mortality (three of five deaths) occurred during the first 35 d following fledgling. A major cause of mortality was predation by raptors. This research shows that additional studies are needed to define mortality causes to juvenile and adult free-flying Puerto Rican Parrots and to develop management guidelines to increase survival.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Survival and causes of mortality in juvenile Puerto Rican parrots
Series title:
Journal of Field Ornithology
Volume
65
Issue:
1
Year Published:
1994
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
76-82
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
76
Last page:
82
Number of Pages:
7