At one time, snakebite deaths were common in Costa Rica, as Picado himself documented in his 1931 book Venomous Snakes of Costa Rica. He reported 13 in just one month—a death rate, given the ...

Costa Rica is home to several venomous snakes, and while the odds of encountering one are low, it’s still good to know what ...

Flickr user Joe Townsend When he returned home to France after a stay in Costa Rica ... venomous jellyfish or sea anemone probably came first, maybe 500 million years ago, and venom arose in ...