One of the most joyous things about the arrival of spring is the return of birdsong. Few things are as uplifting as the lyrical melody between birds. From mating calls to territorial ballads, these ...

Add Yahoo as a preferred source to see more of our stories on Google. A male hourglass tree frog (Dendropsophus ebraccatus) with an inflated vocal sac used to produce calls. Your taste in music may ...

Last rabbit hunt of the season, stocking rainbow trout, hear the mating calls of a woodcock. We’re finishing the last rabbit hunt of the season. Then, we check the stocking schedule for rainbow trout ...

Researchers at Rice University have uncovered new insights into the evolution of bird behavior, revealing why certain mating systems persist while others disappear over time. "This research not only ...