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Mexican free-tailed bats

Putting vampire bats on treadmills reveals an unusual metabolism

Putting vampire bats on treadmills reveals an unusual metabolism

A substantial portion of the carbon dioxide the bats exhaled during a workout (up to 60 percent) came from metabolizing fuel other than the carbs or fats that typically power a running mammal, the team reports November 6 in Biology Letters.

In a first, these bats were found to have toes that glow

In a first, these bats were found to have toes that glow

“I applaud Gual-Suárez et al‘s paper on both examining live animals, and comparing how the results would have born no relation to nature if they’d have used museum specimens instead,” says Linda Reinhold, a zoologist at James Cook University in Cairns, Australia.