ArticleScientific reports2020
Behavioral and trophic segregations help the Tahiti petrel to cope with the abundance of wedge-tailed shearwater when foraging in oligotrophic tropical waters.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 17 citations in OpenAlex.
- Spatial Segregation and Trophic Niche Divergence in Two Disjunct Populations of Wedge-Tailed ShearwaterEcology and evolution · 2026Article
- Early prey intake of a short-finned pilot whale (Ecology and evolution · 2024Article
- The predator problem and PCR primers in molecular dietary analysis: Swamped or silenced; depth or breadth?Molecular ecology resources · 2023Review
- Article
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14 authors at 9 institutions in 6 countries.
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Abstract
Two species breeding in sympatry are more likely to coexist if their ecological niches are segregated either in time, space or in trophic habits. Here, we combined GPS-tracking, stable isotope analysis and DNA metabarcoding analysis to understand how the rare Tahiti petrel Pseudobulweria rostrata (TP) copes with the very abundant (i.e. 500,000 breeding pairs) wedge-tailed shearwater Ardenna pacifica (WTS) when breeding in sympatry in a tropical area. WTS foraged in restricted areas along their path, while TP predominantly foraged using extensive search behavior, suggesting a more opportunistic foraging strategy. Interspecific overlap of foraging areas was higher than intraspecific overlap. Breeding seasons largely overlap between species during the study, but TP seems to be asynchronous breeders. TP fed upon prey with higher δ
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