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Seabirds vary responses to supplemental food under dynamic natural prey availability and feeding aggregation composition
The AUK: A Quarterly Journal of Ornithology
While foraging, a predator can feed solitarily or in a group. The net energy gain of joining a group is predicted to vary with prey patch quality, species-specific prey capture behavior, and the size and species composition of the predator group. In coastal Newfoundland, Canada, capelin (Mallotus villosus), a key forage fish, migrates inshore to spawn during the summer, resulting in a dramatic shift in prey availability. During July–August 2015–2017, we examined the numerical and behavioraldoi:10.1093/auk/ukz062 fatcat:5geyj6ursjb7zleup5di3ohkqa