Sloths Can Also Hold Their Breath Longer Than Dolphins
Sloths can slow their heart rate and hold their breath underwater for up to 40 minutes, which is longer than a dolphin can manage.
The Amazon Holds 10% of Species
The Amazon rainforest is home to about 10% of all known species on Earth.
Giraffes Have the Same Number of Neck Bones as Humans
Despite their long necks, giraffes have just seven cervical vertebrae, the same as humans.
Sharks Existed Before Trees
Sharks have been around for more than 400 million years, predating the existence of trees.
Some Turtles Breathe Through Their Rear Ends
Known as “cloacal respiration,” some turtle species can absorb oxygen from water through their cloaca.