A blue whale's heart is so big, a human could swim through its arteries. elaborate share
Some lemurs have venomous saliva. elaborate share
Seal's real name is Seal Henry Olusegun Olumide Adeola Samuel. elaborate share
African elephants have incredibly low-pitched rumbles that can travel for miles, even underwater. elaborate share
Krill are a crucial part of the Antarctic food web, with a biomass exceeding that of all the humans on Earth. elaborate share
Glass frogs' skin is so translucent, you can see their hearts beating! elaborate share
Manta rays have the largest brain of any fish. elaborate share
