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10 May 2024 First Case of Double Brooding in American Oystercatchers (Haematopus palliatus) in North America
Susan A. Heath, Alan G. Wilde, Taylor M. Bennett
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Abstract

Double brooding is a common breeding strategy in many small species of birds but is less common in large species and has never been documented in American Oystercatchers. In the 2022 breeding season, we documented a banded pair of American Oystercatchers double brooding in West Galveston Bay, Galveston County, Texas. They fledged a chick from a nest on April 14 and a second chick from a second nest on August 10. Both chicks survived at least through mid-September, the end of our monitoring season. Double brooding in a territorial species such as American Oystercatcher could be an important breeding strategy for maintaining or increasing population numbers since nesting habitat is limited. Future studies should ensure they are considering this possibility when planning the extent of their survey season for nesting American Oystercatchers.

Susan A. Heath, Alan G. Wilde, and Taylor M. Bennett "First Case of Double Brooding in American Oystercatchers (Haematopus palliatus) in North America," Waterbirds 46(2-4), 196-198, (10 May 2024). https://doi.org/10.1675/063.046.0410
Received: 10 February 2023; Accepted: 14 September 2023; Published: 10 May 2024
KEYWORDS
American Oystercatcher
breeding
double brooding
Haematopus palliatus
Texas
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