Wildlife tunnels save lives: One study found that amphibian roadkill dropped by 80 percent thanks to the structures.

AMPHIBIANS
Researchers just described one of the tiniest frogs known to science.
In the animal kingdom, it’s not that unusual to start out as one sex and end up as another.
Are frogs and toads really that different? Get the facts on their appearance, habitats, and breeding habits and learn how to tell them apart.
We simply have to assume that at least one researcher made some reference to Harry Potter’s chocolate frogs when they found it.
Numbers of Sierra Nevada yellow-legged frogs are on the rise again in Yosemite National Park.
Bornean rock frogs use visual “foot flags” to ward off rivals in their noisy environment.
Some populations of lowland leopard frogs in Arizona have gene variants that protect them from a deadly fungal disease.
From burrowing in the soil to popping baby frogs out of their backs, the frogs in this list have some very strange habits.
As humans take up ever more space and urbanize the untamed wilderness, the animals that call these places home have a tough choice to make: move on to someplace else or adapt to their new surroundings.
Geckos and shrubs and sharks, oh my! 2013 was a big year for new species. Scientists found hundreds of them this year. Here are some of our favorites.