@Article{Tanaka2005,
  author   = {Tanaka, Keita D. and Ueda, Keisuke},
  journal  = {Science},
  title    = {{Horsfield's Hawk-Cuckoo Nestlings Simulate Multiple Gapes for Begging}},
  year     = {2005},
  number   = {5722},
  pages    = {653},
  volume   = {308},
  abstract = {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.},
  eprint   = {http://www.sciencemag.org/cgi/reprint/308/5722/653.pdf},
  url      = {http://www.sciencemag.org/cgi/content/abstract/308/5722/653},
}

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