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10 May 2024 Effects of Research Activity on Plover Nest Survival Depends on Predator Context
Utsaha Gurung, Abigail J. Darrah, Collin T. Stempien, Raymond B. Iglay, Mark S. Woodrey
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Abstract

Improving our understanding of the effects of research activities on breeding birds is critical for proper study implementation. Effects likely vary as a function of field methods, study species, habitat, and predator community, with few larger or predictable patterns. We investigated the effects of game camera use and adult capture on the daily nest survival of 41 Snowy Plover (Charadrius nivosus) and 61 Wilson's Plover (C. wilsonia) nests in coastal Mississippi from 2018–2022. We also compared the effects of camera presence on nest survival between nests at a site with neophilic Fish Crows (Corvus ossifragus) and other sites where neophilic crows were absent. We used logistic-exposure survival analysis to estimate daily nest survival probability as a function of research activity (banding adults or placing camera at the nest), camera presence, species, and site predator community. Camera presence resulted in decreased daily survival probability (0.82 ± 0.10 SE) at the site with neophilic Fish Crows compared to daily survival probability (0.98 ± 0.001 SE) at all other nests. All other variables had non-significant effects. Our results indicate that banding and camera use at nests can be generally safe, but that researchers should test for potential negative effects of research activities in each situation, and in particular consider the local predator community.

Utsaha Gurung, Abigail J. Darrah, Collin T. Stempien, Raymond B. Iglay, and Mark S. Woodrey "Effects of Research Activity on Plover Nest Survival Depends on Predator Context," Waterbirds 46(2-4), 121-131, (10 May 2024). https://doi.org/10.1675/063.046.0403
Received: 1 November 2022; Accepted: 23 April 2023; Published: 10 May 2024
KEYWORDS
banding
camera
coastal birds
handling
nest survival
trapping
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