Thursday's flight marks the second year the Oakland Zoo has taken part in a breeding program to re-establish the green, brown, red and yellow Puerto Rico crested toad on its home island. SAN FRANCISCO ...

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Behind a gate at the edge of the Denver Zoo Conservation Alliance in City Park is the Boreal Toad Conservation Center, a building colloquially known by zoo staff as the “Toad Barn.” Inside, awkward ...

PHILADELPHIA (AP) - It's rush hour in Philadelphia for thousands of baby toads as they hop across a busy residential street on a rainy summer night. Why do toadlets cross the road? To get to the woods ...