Study indicates 'Alala calls have changed

A study published in the January edition of the journal Animal Behaviour documents significant changes in the vocalizations that 'alalā make today, when compared with those recorded in the wild more than a decade ago. The ...

Traffic noise reduces birds' response to alarm calls

Pollution can take many forms—including noise. Excess noise in the environment from sources such as traffic can have negative effects on animals that rely on sound to communicate and get information about their surroundings. ...

Songbirds sound the alarm about traffic noise

A new study led by Pacific University biologist Chris Templeton demonstrates that the alarm calls of songbirds are dramatically impaired by road traffic noise. Research by Templeton and colleagues has shown that signals critical ...

Highway noise deters communication between birds

New research from University of Florida Institute of Food and Agricultural Sciences researchers shows birds may be avoiding habitats near noisy highways because they can't hear fellow birds' alarms that warn them of attacking ...

Birds 'cry hawk' to give offspring chance to escape predators

New research has found that the 6 gram brown thornbill mimics the hawk alarm calls of neighbouring species to scare a nest predator by convincing it that a much bigger and scarier predator - the brown goshawk - is on its ...

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