The first two years of a dog's life are equal to 24 human years.
25
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The penguin is the only bird who can swim, but not fly!
90
After eating, a housefly regurgitates its food and then eats it again!
16
Anteaters prefer termites to ants.
18