We document the first reported observation of helping at the nest of a Henslow's Sparrow (Ammodramus henslowii). Video surveillance recorded two unbanded adults (a presumed male and female) and one banded adult male feeding chicks. No intraspecific aggression among the adults was observed.
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1 September 2002
Helping at a Henslow's Sparrow Nest in Wisconsin
Michael J. Guzy,
Christine A. Ribic,
David W. Sample
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