Shotaro Watanabe

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Flight paths of echolocating Japanese house bats, Pipistrellus abramus, were tracked during insect hunting in a natural setting using a 32-microphone array. The array surrounded the foraging area, locating each bat, and determined the directional aim of the sonar beam. Successive interceptions, indicated by feeding "buzzes" and post-buzz pauses, occurred(More)
Individual recognition is one of the most basic discrimination abilities in social animals. Many playback experiments suggest that auditory neighbor recognition occurs in several avian species. There have also been several laboratory experiments demonstrating visual individual discrimination in birds, for example, chickens (Howells & Vine 1940; Candland(More)
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