Imagine the scale of raindrops if you were the size of a small bird. Or mosquito. Flying through a drizzle should be deadly!

On rainy nights, the sky belongs to the raindrops. Birds have settled in, insects hide, and bats—nature’s only furry flying mammals—disappear. Why do bats avoid the rain? Is it because raindrops ...

The overachieving Wallace's flying frog wasn't content to just hop and swim. Thousands of years of watching birds navigate the rain forest and avoid predators by taking to the sky appears to have ...