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Reduction of provisioning effort in response to experimental manipulation of chick nutritional status in the Horned Puffin

Condor

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Abstract

Using a supplemental feeding experiment, we investigated the ability of adult Horned Puffins to decrease provisioning effort in response to reduced nutritional requirements of chicks. We found no difference between experimental and control groups in parental provisioning before supplementary feeding was initiated. After receiving supplemental food for seven days, experimental chicks grew faster, gained more mass and received 87% less food from their parents than did control chicks. These results demonstrate that Horned Puffin parents can decrease food provisioning in response to a decrease in their chick nutritional requirements. ?? The Cooper Ornithological Society 2002.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Reduction of provisioning effort in response to experimental manipulation of chick nutritional status in the Horned Puffin
Series title:
Condor
Volume
104
Issue:
4
Year Published:
2002
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Condor
First page:
842
Last page:
847
Number of Pages:
6