1 June 2018 Interspecific Broods at Two Heronries in Iran
Abbas Ashoori, Mauro Fasola
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Four cases of interspecific mixed broods between Little Egrets (Egretta garzetta; n = 175), Cattle Egrets (Bubulcus ibis; n = 125), Squacco Herons (Ardeola ralloides; n = 25) and Black-crowned Night-Herons (Nycticorax nycticorax; n = 199) were recorded from 7 April to 16 August 2016 at two colonies in Iran. The rare occurrence of mixed broods and the low survival of the parasite chicks suggest that brood parasitism is not adaptive in the Ardeidae.

Abbas Ashoori and Mauro Fasola "Interspecific Broods at Two Heronries in Iran," Waterbirds 41(2), 171-173, (1 June 2018). https://doi.org/10.1675/063.041.0208
Received: 9 October 2017; Accepted: 9 December 2017; Published: 1 June 2018
Ardeola ralloides
Black-crowned Night-Heron
Bubulcus ibis
Cattle Egret
Egretta garzetta
interspecific brood parasitism
Little Egret
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