Emperor penguins can dive to depths of over 1,700 feet (500 meters) to find food. elaborate
Some pufferfish species contain tetrodotoxin, a neurotoxin so potent that there's no known antidote. A tiny amount can be fatal to humans. elaborate
A blue whale's heart is so big, a human could swim through its arteries. elaborate
Komodo dragons have forked tongues that they use to smell their prey, detecting scents carried on the wind. elaborate
Sugar gliders, despite their name, shouldn't be fed sugar. Their diet needs to be carefully balanced to avoid health problems. elaborate
