A test of the acoustic adaptation hypothesis in four species of marmots

@article{Daniel1998ATO,
  title={A test of the acoustic adaptation hypothesis in four species of marmots},
  author={Janice C. Daniel and Daniel T. Blumstein},
  journal={Animal Behaviour},
  year={1998},
  volume={56},
  pages={1517-1528}
}
Acoustic signals must be transmitted from a signaller to a receiver during which time they become modified. The acoustic adaptation hypothesis suggests that selection should shape the structure of long-distance signals to maximize transmission through different habitats. A specific prediction of the acoustic adaptation hypothesis is that long-distance signals of animals in their native habitat are expected to change less during transmission than non-native signals within that habitat. This… 

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