The northern leopard frog is often discussed as the earliest frog sound you'll hear when the temperatures begin to rise. The more frog calls you hear, the better the ecosystem. Many frog calls begin ...

An international team of researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound ...

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns – from the iridescent plumage of many hummingbirds to ...

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns—from the iridescent plumage of many hummingbirds to the ...