A calling male túngara frog with a large inflated vocal sac. By 2050, almost 70 percent of the world’s population will live in urban environments, according to the United Nations. But as cities spread ...

A calling male túngara frog with a large inflated vocal sac. By 2050, almost 70 percent of the world’s population will live in urban environments, according to the United Nations. But as cities spread ...

"Tungara frogs sound a bit like pinball machines," said Wouter Halfwerk, assistant professor at Vrije University in Amsterdam, and visiting scientist at STRI. "To their simple tun sound, they can add ...

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 ...

An example of an oophaga pumilio, also known as the strawberry poision dart frog. Houstonians have lots of pets, and that goes way beyond the dogs and cats that most commonly live with us. Reptile and ...