Tidal drift removes the need for area-restricted search in foraging Atlantic puffins.
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ABSTRACT:
SUBMITTER: Bennison A
PROVIDER: S-EPMC6684983 | biostudies-literature | 2019 Jul
REPOSITORIES: biostudies-literature
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Tidal drift removes the need for area-restricted search in foraging Atlantic puffins.
Bennison Ashley A Quinn John L JL Debney Alison A Jessopp Mark M
Biology letters 20190710 7
Understanding how animals forage is a central objective in ecology. Theory suggests that where food is uniformly distributed, Brownian movement ensures the maximum prey encounter rate, but when prey is patchy, the optimal strategy resembles a Lévy walk where area-restricted search (ARS) is interspersed with commuting between prey patches. Such movement appears ubiquitous in high trophic-level marine predators. Here, we report foraging and diving behaviour in a seabird with a high cost of flight, ...[more]
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