Triceratops

walking bear

Hooded Merganser

male duck

Echidna

sable antelope

two versions
one a simplified graphic black-and-white:

the second with more color and pattern:

rhino

border collie

sea angel

Microscopic creature called the "sea angel", it's a pteropod. It flaps the little fins to swim and you can see through its sides to the interior organs