Each cane toad carries enough venom to kill a child, National Geographic notes.
Several crops have been reported to produce toxins due to environmental stresses caused by climate change.
Illegal marijuana farms in forested areas of California are threatening the survival of a rare weasel-like species known as fishers.
The cane toad (Rhinella marina) isn't exactly a beloved amphibian. While countless frogs continue to face the troubles of climate chnage, shrinking habitats, and rampant disease, the cane toad has become an invading force in Australia - a dog-drugging nuisance without any natural predators to keep it down. But toad-hating Aussies may have hope yet. The cane toad is set to become Chinese medicine's next big import, as it was recently revealed that its poison could have cancer-fighting properties.