insects There are a few abundant land animals. Most of the abundant animals are insects.
People
cholesterol
probaly birds
I believe this would be Krill, even though it is one of the smallest organisms, by weight, is THE most abundant on earth.
muscle
Disney land fish water
Dinosaurs
Disney land fish water
north central
The most abundant category of animal species is the insects
COLLAGEN
It is a polysaccharide the Glycogen.
The human animal is most abundant in Antarctica during the summer. As well several sea mammals and sea birds come to the beaches and beach areas to breed during the summer.