Document Detail

Horsfield's hawk-cuckoo nestlings simulate multiple gapes for begging.
MedLine Citation:
PMID:  15860618     Owner:  NLM     Status:  MEDLINE    
Nestlings of some brood parasitic birds evict hosts' eggs and young soon after hatching, thereby avoiding discrimination by hosts while monopolizing parental care. Eviction carries a cost, however, because lone parasitic nestlings attract a reduced provisioning rate. Here we describe a form of visual signaling used by the evicting Horsfield's hawk-cuckoo (Cuculus fugax) to obtain sufficient food. The chick displays a gape-colored patch on the wing to the host parents as they deliver food, simulating the gaping display of more than one nestling.
Keita D Tanaka; Keisuke Ueda
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  308     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2005 Apr 
Date Detail:
Created Date:  2005-04-29     Completed Date:  2005-05-12     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  653     Citation Subset:  IM    
Department of Life Sciences, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, 171-8501 Tokyo, Japan.
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MeSH Terms
Adaptation, Biological
Animal Communication*
Behavior, Animal*
Birds* / anatomy & histology
Coloring Agents
Feeding Behavior*
Linear Models
Nesting Behavior*
Wing / anatomy & histology*
Reg. No./Substance:
0/Coloring Agents

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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