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1 March 2003 First Report of a Double-brooded Swainson's Warbler
Stanlee M. Miller
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Abstract

Here I report the first case of double brooding in a Swainson's Warbler (Limnothlypis swainsonii). On 7 June 2002, I observed a color-banded female feeding an 8-day-old fledgling 20 m from her first nest. On 12 July 2002, I saw the same bird feeding a banded 12-day-old fledgling 8 m from her second nest. Double brooding is one strategy by which a genotype may increase genetic representation in future generations.

Stanlee M. Miller "First Report of a Double-brooded Swainson's Warbler," The Wilson Bulletin 115(1), 94-95, (1 March 2003). https://doi.org/10.1676/02-102
Received: 30 September 2002; Accepted: 1 March 2003; Published: 1 March 2003
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