Horsfield's Hawk-Cuckoo Nestlings Simulate Multiple Gapes for Begging

@article{Tanaka2005HorsfieldsHN,
  title={Horsfield's Hawk-Cuckoo Nestlings Simulate Multiple Gapes for Begging},
  author={K. Tanaka and K. Ueda},
  journal={Science},
  year={2005},
  volume={308},
  pages={653 - 653}
}
  • K. Tanaka, K. Ueda
  • Published 2005
  • Medicine, Biology
  • Science
  • 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… CONTINUE READING
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