All male frogs sing to attract mates, Maggie said, noting that each species has a distinctive song — the duck-like quack of the northern wood frog, the watery snore of a pickerel frog, and the ...

All over the world, different types of frogs call out in various ways to warn others or attract mates Olivia Ferrari Different species of frogs call out in various ways, and they may sound like ...

Two related frog species differ by chromosome number, which deepened one species's calls and tells the females who's who. Steve Mirsky reports The eastern grey tree frog (sound) looks exactly like the ...