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Aerial attack strategies of hawks hunting bats, and the adaptive benefits of swarming

Abstract:

Aggregation can reduce an individual’s predation risk, by decreasing predator hunting efficiency or displacing predation onto others. Here, we explore how the behaviors of predator and prey influence catch success and predation risk in Swainson’s hawks Buteo swainsoni attacking swarming Brazilian free-tailed bats Tadarida brasiliensis on emergence. Lone bats including stragglers have a high relative risk of predation, representing ~5% of the catch but ~0.2% of the population. Attacks on th...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/beheco/araa145

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Institution:
University of Oxford
Division:
MPLS
Department:
Zoology
Role:
Author
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Name:
European Commission
Grant:
682501
Publisher:
Oxford University Press
Journal:
Behavioral Ecology More from this journal
Volume:
32
Issue:
3
Pages:
464-476
Publication date:
2021-03-31
Acceptance date:
2021-01-01
DOI:
EISSN:
1465-7279
ISSN:
1045-2249
Language:
English
Keywords:
Pubs id:
1153903
Local pid:
pubs:1153903
Deposit date:
2021-01-11

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