Long-Winged Harrier Predation on Wattled Jacana Eggs

Wattled Jacana (Jacana jacana) Science Article 1

abstract

Long-winged Harriers (Circus buffoni) prey on small birds, mammals, and reptiles (ffrench, A Guide to the Birds of Trinidad and Tobago, 1973:1131. Although they take eggs of various species of birds (Haverschmidt, The Birds of Surinam 1968:67), no records are available on the efficiencies and rates of egg predation. This note documents harrier predation on 3 nests of color-marked Wattled Jacanas (Jacana jacana) in coastal Guyana. The region consists of extensive rice fields crossed by dikes and canals.

DAVID R. OSBORNE and R. BEISSINGER, Wilson Bulletin: Vol. 91, No. 3

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