Australian ground frogs take the standard weirdness of frog reproduction and development to the next level...and then to the next-next level. From swallowing eggs to putting tadpoles in pockets, these ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

WASHINGTON (Reuters) - Its fangs are not what makes the newly identified Indonesian frog species Limnonectes larvaepartus unique on Earth. The way it makes babies does. This little amphibian from the ...

Unlike their relatives, individuals of the poison frog Allobates femoralis are not poisonous but are captivating due to their different behavioral profiles: They successfully reproduce with different ...

Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology. The wood frog (Rana sylvatica), along with a few treefrog species like the ...