Journal
ACOUSTICS RESEARCH LETTERS ONLINE-ARLO
Volume 6, Issue 4, Pages 238-242Publisher
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.1985957
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Infrared video and ultrasonic recordings were made of echolocating big brown bats hunting for June beetles in the short May-June beetle season. Adult beetles emerge from the ground at twilight, beat their wings to warm up, and fly into nearby trees, where they swarm actively for; 1 h. Beetles are attacked by bats while buzzing in the grass, while flying in the open during their brief ascent, and while still active among the leaves of trees. Bats routinely used different capture strategies during the course of a few minutes and may hear the beetles' buzzing to guide attacks in vegetation. (C) 2005 Acoustical Society of America.
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