The Center for Biological Diversity announced today it has sued the Trump administration for delaying critical Endangered ...

For example, though they may look cute and harmless, they can be dangerous; toxins secreted through the skin as a defense mechanism could kill a person. Newts also can regrow lost limbs and organs.

The Center for Biological Diversity sued the Trump administration today for delaying critically needed Endangered Species Act ...

The deep-sea squid known as Octopoteuthis deletron has a startling defense mechanism: ... THE NEWT THAT TURNS ITS RIBS INTO SPIKES. David Perez, Wikimedia Commons // CC BY 3.0.

Newts of the genus Taricha produce tetrodotoxin, a powerful neurotoxin. Previously, scientists thought this was purely a chemical defense against predators, but they didn’t know how it was ...

Crater Lake newts, also known as Mazama newts, are a subspecies of the more widely distributed rough-skinned newt. While the rough-skinned newt produces a potent neurotoxin to deter predators, the ...

The newts have disappeared from all areas where the crayfish live. At this point, the crayfish occupy 95% of the lake's shoreline, leaving just 5% for the newts, USFWS said.

While the rough-skinned newt has a potent neurotoxin to deter predators, the Crater Lake newt adapted at the top of the lake’s food chain and lacks the defense mechanism.

Here are some animals with the most unusual defense mechanisms: ... Iberian Ribbed Newt . This amphibian pushes its sharp rib bones through its skin to create deadly spikes against predators.