Keywords
Whistling Heron
Buenos Aires
Nidification
Abstract
Eight nests of the Whistling Heron (Syrigma sibilatrix) were found in exotic trees, between 1982 and 1986, in Salto, Buenos Aires. Clutch size was 3 eggs at 3 nests. The incubation period was 28 days and the nestling period 42 days. Four nests fell down during storms. Egg survival was 25,5% and nestling survival 40,0%, the productivity per nest 0,29 fledglings.
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