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

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 ...

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

Within six days the newts went into the water and assumed the adult body color and tail shape. Thus it seemed that the pituitary provided not only the necessary physiological changes for aquatic ...