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1 June 2013 Bird predation by the birdlike noctule in Japan
Dai Fukui, Hiroshi Dewa, Setsuko Katsuta, Akiyoshi Sato
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Evidence has recently emerged that migratory birds are among the prey taken by 2 large insectivorous bat species in Europe and India. This raises the question of whether large aerial-hawking bats in other temperate regions also make use of this food resource. We analyzed the diet of the birdlike noctule (Nyctalus aviator), one of the largest aerial-hawking bats in Japan, and found bird remains in pellets collected in spring, autumn, and early winter, but not in summer. Predation on birds may be a widespread behavior among large, fast-flying insectivorous bats in temperate regions. Our results would provide new perspectives on the ecological and evolutionary interactions between bats and birds.

Dai Fukui, Hiroshi Dewa, Setsuko Katsuta, and Akiyoshi Sato "Bird predation by the birdlike noctule in Japan," Journal of Mammalogy 94(3), 657-661, (1 June 2013).
Received: 29 June 2012; Accepted: 1 October 2012; Published: 1 June 2013
fecal analysis
migrating birds
Nyctalus aviator
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