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Nesting biology of a female Long-wattled Umbrellabird Cephalopterus penduliger in north-western Ecuador

Published online by Cambridge University Press:  20 November 2003

Jordan Karubian
Affiliation:
Center for Tropical Research, Institute of the Environment, University of California at Los Angeles, 610 Charles E. Young Drive South, Box 951496, Los Angeles, CA 90095-1496, U.S.A. E-mail: jordank@ucla.edu
Gabriela Castañeda
Affiliation:
Center for Tropical Research, Guanguiltagua N3857, Batán Alto, Quito, Ecuador
Juan F. Freile
Affiliation:
Center for Tropical Research, Guanguiltagua N3857, Batán Alto, Quito, Ecuador
Ramiro T. Salazar
Affiliation:
Sachatamia Lodge, Av. González Suárez 432, Dpto #901, Quito, Ecuador
Tatiana Santander
Affiliation:
Center for Tropical Research, Guanguiltagua N3857, Batán Alto, Quito, Ecuador
Thomas B. Smith
Affiliation:
Center for Tropical Research, Institute of the Environment, University of California at Los Angeles, 610 Charles E. Young Drive South, Box 951496, Los Angeles, CA 90095-1496, U.S.A. E-mail: jordank@ucla.edu
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Abstract

Long-wattled Umbrellabirds Cephalopterus penduliger are restricted to the Chocó Biogeographical Region, an area with exceptional levels of avian diversity and endemism. Due to widespread habitat loss and hunting pressure, the species is considered globally Vulnerable and Endangered within Ecuador. Little is known of the species' basic biology. This paper presents data on the first confirmed nest recorded for the species. The nest was found in June 2002 atop a tree fern Cyathea sp. located in secondary forest near Mindo, north-west Ecuador, at 1,600 m in the subtropical zone of the Andean slope. Data collected during incubation and nestling provisioning suggest that females may be responsible for all parental care. At the nest, the female provided food an average of once per hour, and brought roughly twice as many invertebrate food items as vertebrate or regurgitated food items. A male was never seen at the nest. In addition to presenting data from the nest, we compare Long-wattled Umbrellabirds to congeners and discuss implications for the conservation of this species.

Type
Research Article
Copyright
© BirdLife International 2003
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Nesting biology of a female Long-wattled Umbrellabird Cephalopterus penduliger in north-western Ecuador
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