Origins in South and Central America. South and Central America’s lush, humid environments form the natural cradle of cane toad evolution. ... the toad feels endangered. Though direct contact with human skin can cause irritation, ingestion by animals is far more dangerous. BBC Wildlife quotes herpetologists who emphasize that the toxin ...

Native to Central and South America, poison dart frogs have skin that secretes batrachotoxin. This is one of the most potent toxins. Indigenous tribes have used their toxins to poison the tips of blow darts.

Jaguar in the misty rainforest crossing a river. ... Spanning from Mexico through Central America, these apex predators are increasingly confined due to human-induced challenges. Deforestation, illegal ranching, expansive monoculture plantations, forest fires, and the proliferation of roads and hunting activities are fragmenting their habitats ...

Here are 10 deadly river creatures you should know about! Feb 9, 2025 ... The electric eel can generate a powerful shock to stun or even kill larger animals, making it a dangerous predator in the ...

“Almost every big river in North America and Europe is massively modified” through damming, putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also faces threats from deforestation, wildfires and illegal gold mining, said Charvet. Illegal fires to clear forest result in waves of ash polluting the ...