In both frogs and humans, sex is genetic. In people, females have two X (sex) chromosomes, while males have one X and one Y. For frogs, the sex chromosomes are labeled as Z or W and females have ...

Rayna Bell, a herpetology expert and curator at the California Academy of Sciences, told Snopes it's true that some frogs have heart-shaped pupils, adding that the photo in question appears to be ...

At the new center, scientists hope to support the frogs and encourage reproduction. In the future, they want to bring them back to their natural habitat. For now, ...

Because one of the frogs surfaced from its flowery snack clad in pollen, Dr. Toledo said, the team hypothesized that it was “actually very likely” that the species aids milk fruit tree ...

A chatty amphibian starring in videos for a Bad Bunny album has launched the Puerto Rican crested toad into newfound fame, following years of conservation efforts at Chicago's Brookfield Zoo.

A Rare Window Into Prehistoric Frog Reproduction. One of the most fascinating aspects of this discovery is the likely cause ...

The film explores the reproductive cycles and embryonic development of amphibians, specifically frogs and salamanders. It details the processes of fertilization, egg development, and the stages of ...

Six new species of rain frogs have been discovered on the eastern slopes of the Ecuadorian Andes, according to a statement from Ecuador’s Ministry of the Environment, Water, and Ecological ...

A chatty animated amphibian starring in videos for Bad Bunny's recent album has launched the Puerto Rican crested toad—an endangered species native to the island—into newfound fame, following ...

The frogs were on the verge of extinction in 2019 after water extraction from mining, agriculture and development, exacerbated by climate change, decimated their habitat. Scientists w.