Spermatozoal ultrastructure endorses other evidence that Ascaphus is the sister-group of all other anurans. Primitive (plesiomorphic) features of the sperm of Ascaphus, shared with those of urodeles ...

Frogs and other amphibians lay eggs, but mammals give birth to live young, right? Not always. A newly described species of frog gives birth to live tadpoles, and is the only known frog to do so, ...

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 ...

MIAMI (AFP) ― In the depths of an Indonesian rainforest, scientists have identified the first known frog that gives birth to tadpoles instead of laying eggs, according to research published Wednesday.

Frogs are increasingly having more sex on dry land than in rivers and lakes. Previously thought to be an adaptation that prevents their eggs and tadpoles from being eaten by aquatic predators, new ...

Scientists have never seen anything quite like this before. It’s a newly discovered species of fanged frog that gives direct birth to live tadpoles instead of laying eggs. It isn’t that rare for ...

New approach enables measurements of changes in thousands of proteins in the minutes after frog eggs are fertilized, revealing previously opaque mechanisms such as how the destruction of a small ...

A new frog mating position, only the seventh type ever observed, has been discovered in the monsoonal forests of India. Bombay night frogs (Nyctibatrachus humayuni) mate by having the male straddle ...

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The sparks of metal atoms may protect against double fertilization. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Whether you're a frog or a ...