Invasive Big-Headed Ants and Black Rats Are Dominant Arthropod Predators Across Opposing Habitats of a Degraded Oceanic Island
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Chin, Weng Yuen
Tawatao, Noel
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Invasive animals threaten island-native arthropods with predation. We found that introduced ants and rats conducted 77% of experimental arthropod live bait predations on Ascension Island. Predation was mostly by big-headed ants Pheidole megacephala inland and around non-native vegetation, and by black rats Rattus rattus in coastal lowland habitats and caves.
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Biotropica
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57
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3
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© 2025 The Author(s). Biotropica published by Wiley Periodicals LLC on behalf of Association for Tropical Biology and Conservation. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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Sharp, A; Chin, WY; Tawatao, N, Invasive Big-Headed Ants and Black Rats Are Dominant Arthropod Predators Across Opposing Habitats of a Degraded Oceanic Island, Biotropica, 2025, 57 (3), pp. e70044