Salamanders Crossing: This Way to the Vernal Pool!

They may look like random puddles, but some states are building million-dollar tunnels to direct wildlife to these seasonal refuges.
Bushy-tailed woodrat

When Packrats’ Hoards Are Helpful

Packrat nests, preserved by a combination of the chemistry of urine and the desert air, open a window into centuries of local climate change.
Ernst Haeckel's Kunstformen der Natur depicts a horned Texas lizard

The Craziest Ways Animals Escape Their Predators

From shedding skin to making slime to shooting blood out of their eyes, these animals have defense mechanisms that are convincing, to say the least.
Goats at Dalkey Island

The Curious Case of Island-Dwelling Goats

Island ecosystems are precious, precarious beasts, easily overwhelmed by nature's hardiest predator: goats.

Bald Eagles Are Back From the Brink

Bald eagles are back from the brink of extinction.