From frogs to humans, selecting a mate is complicated. Females of many species judge suitors based on many indicators of health or parenting potential. But it can be difficult for males to produce multiple signals that demonstrate these qualities simultaneously. Leer más.

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Remove a species from an ecosystem and other species tend to suffer. Take the giant Madagascar tortoise, for example. The two species of giant tortoises on Madagascar went extinct centuries ago, but their loss is still being felt today. According to new research, the extinction of these tortoises robbed one of the island’s iconic baobab tree species of its most important seed dispersers, a situation from which the trees still have not recovered. Leer más.

There are many among us who have gone out for a walk in the night, during the rains, and heard frogs chorusing. Or looked upon a small amphibian perched perilously by the wayside, and wondered what it is called. leer más.

El sapo de caña utiliza las hormonas del estrés para adaptarse fisiológicamente al calor extremo y sequedad de las zonas áridas de Australia, según publica hoy un estudio de una universidad australiana. Leer más.