On 15 May 2000, I observed a Laughing Gull (Larus atricilla) nest parasitized by a Black-bellied Whistling-duck (Dendrocygna autumnalis). The nest contained three Laughing Gull eggs and three Black-bellied Whistling-duck eggs and was located in a colony of 56 Laughing Gull nests.
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1 September 2001
Parasitism of a Laughing Gull Nest by Black-bellied Whistling Ducks
Bart M. Ballard
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