The croaking of frogs and toads is as much a part of spring as birdsong and gardening. When these animals go courting in ponds and pools, it’s hard to miss—though not everyone enjoys nighttime frog ...

If you’re a male gray frog trying to find a mate, you’d better have a fast and steady call. That’s what female treefrogs ...

Female treefrogs prefer a mate with an impressive call, but the crowded environments give unattractive males an edge, ...