Nectophrynoides comprise only about one percent of all frogs and toads, but that number is officially increasing. In a study published in the journal Vertebrate Zoology, biologists describe an ...

Poison dart frogs exhibit extraordinary parental devotion, with males guarding eggs and transporting tadpoles to safe ...

Scientists have discovered three new species of African tree toads that break one of biology’s best-known rules. Instead of ...

Researchers have identified a new species of poison-dart frog, Ranitomeya hwata, in the remote bamboo-forest of Alto Purus ...

African bullfrogs approach parenting a little differently from many other species. It is the males who take on the heavy lifting when it comes to childcare duties. The dad in this extraordinary ...

Amphibians like frogs and toads are a great way to observe metamorphosis. They lay eggs that develop into tadpoles, and then ...

Tadpole species that lost their lungs through evolution never re-evolve them, even when environmental change would make it ...

Rick Koval and I didn’t catch an adult bullfrog for our herp series this summer, but what we did find was more than suitable to cross the species off the list. It was a bullfrog tadpole, and it was ...

Researchers have developed an enhanced LC-MS/MS method capable of quantifying 18 steroids—including key corticosteroid and sex steroid hormones, as well as intermediates involved in corticosteroid ...

Tadpoles see well underwater, but what happens when they become frogs and live primarily on land? Researchers, curious about the answer, found the eyes of tadpoles undergo a surprising number of ...

An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of ...