Survival of female white-cheeked pintails during brood rearing in Puerto Rico

Caribbean Naturalist
By: , and 

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Abstract

Anas bahamensis (White-cheeked Pintail) is widely distributed across the Caribbean islands and South America. The species is classified as threatened in Puerto Rico and a species of least concern across most of its range. Little demographic data exist for the species, particularly during the breeding season. During 2000-2002, we radiomarked 31 incubating females at the Humacao Nature Reserve (Humacao) in southeastern Puerto Rico and estimated daily and interval survival rates of females during brood rearing. Only one of 31 birds died; the average ±95% CI daily survival rate of pintails was 0.998 ± 0.989-0.999 for all years, and interval survival was 0.913 ± 0.527-0.987 for a 60-day brood-rearing period. High survival of females suggests their mortality during brood rearing does not influence White-cheeked Pintail populations at Humacao, but further studies of reproductive and annual ecology are needed.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Survival of female white-cheeked pintails during brood rearing in Puerto Rico
Series title Caribbean Naturalist
Volume 10
Year Published 2014
Language English
Publisher Eagle Hill Publications
Contributing office(s) Coop Res Unit Atlanta
Description 12 p.
First page 1
Last page 12
Country United States
State Puerto Rico