Screaming or yelling is a natural reaction to a threat. One animal you’d likely never expect to hear this from, though, is a frog, which is more often associated with croaking. This is why rain frogs ...

FAIRBANKS — The first time Marian Snively heard the “errr-ruk-ruk” croaking of a wood frog, she made the same mistake a lot of people make. “When I first heard it I said, ‘That’s a duck,’” recalled ...