Wildlife

Rare Footage Helps Explain What Narwhals Use Their Tusks For
May 17, 2017 07:18 AM - Alicia Graef, Care2

Scientists are marveling over never-before-seen footage of narwhals that has brought to light new evidence for what those unicorn-like tusks are actually used for.

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Tropical lowland frogs at greater risk from climate warming than high-elevation species, study shows
April 7, 2017 09:55 AM - University of Michigan

A new study of Peruvian frogs living at a wide variety of elevations—from the Amazon floodplain to high Andes peaks—lends support to the idea that lowland amphibians are at higher risk from future climate warming.

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SPOTLIGHT

Birds sing shorter songs in response to traffic noise

Taylor & Francis Group via EurekAlert!

Birds sing differently in response to traffic noise, which potentially affects their ability to attract mates and defend their territory, according to research published in Bioacoustics. The study found that a species of North American flycatcher sings shorter songs at a lower range of frequencies in response to traffic noise levels. The researchers suggest traffic noise reduction, for example through road closures, is a viable option for mitigating this effect.

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