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USGS · 5222311

Kirtland's warblers on the nesting grounds during the post- breeding period

P.W. Sykes·C. B. Kepler·David A. Jett·M. E. DeCapita
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Abstract

Information indicates that a substantial number of breeding birds remain in Michigan through September, and a few individuals probably remain into early October. Migration apparently consists of two waves of migrants: an early departure (mid-August to early September); and late departure (late September). Based on our findings, we recommend that major Kirtland's warbler areas be kept closed into mid-September.

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P.W. Sykes, C. B. Kepler, David A. Jett, M. E. DeCapita. 1989. Kirtland's warblers on the nesting grounds during the post- breeding period. https://pubs.usgs.gov/publication/5222311

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