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What sounds good doesn't always taste good
Date:5/21/2012

t the bats assessed the prey size at close range first and thus only captured those frogs and toads of appropriate size for them to handle.

Once the bats had captured their prey, they used chemical cues to make final, post-capture decisions about whether or not to consume the prey. Indeed, they dropped small, poisonous toads as well as palatable frogs coated in toad toxins either immediately or shortly after capture.

These findings suggest that echolocation and chemical cues obtained at close range supplemented information obtained from acoustic cues at long range.

The authors conclude: "Our study demonstrates that following initial assessment of prey, bats have the ability to use alternate sensory modalities to sequentially reassess prey at close range, and thus compensate for potentially deadly errors. Our results bring to light the sequential, complex nature of prey assessment foraging strategies that may allow exploratory and flexible hunting behaviors."


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Contact: Janine Haubenreisser
janine.haubenreisser@springer.com
49-622-148-78414
Springer
Source:Eurekalert

Page: 1 2

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