The cane toad may be the poster animal for invasive species. Native to South America, it has been introduced to many other ecosystems in the hope it would chow down on agricultural pests. Instead, the ...
Toxins from the Colorado River toad have been ingested by some for their psychedelic and medicinal effects. kuhnmi via Flickr under CC BY 2.0 DEED The Colorado River toad, a species native to ...