It can occur between species that are predator and prey ... an arms race adaptation is the potent poison in the skin of the newt Taricha granulosa, which is food for the garter snake.

The great crested newt lives only in Europe ... acrid-smelling substance to dissuade predators. Its other common name derives from the dramatic, jagged crest that males develop along their ...

You’re probably familiar with the basic amphibian life plan: start as a wriggly water-breathing tadpole, then transform into ...

While the rough-skinned newt possesses a potent neurotoxin to deter predators, the Crater Lake newt is adapted to being at the top of the lake’s aquatic food chain and lacks any predator defense ...

The newt exists only in Crater Lake, and its populations have plummeted in recent years because of warming lake temperatures and the expanding population of signal crayfish, a predator species ...

When threatened, the newt rapidly rotates its ribs forward, increasing the angle between the ribs and its spine, allowing them to pierce through the skin ...