1
BIRDS ARE VERTEBRATES
2
BIRDS ARE BORN FROM EGGS.
3
BIRDS HAVE GOT FEATHERS.
4
BIRDS HAVE GOT TWO WINGS.
5
SOME BIRDS CAN'T FLY. THEY CAN SWIM
6
SOME BIRDS CAN'T FLY. THEY CAN RUN FAST.
7
BIRDS ARE OVIPAROUS.
8
PENGUINS ARE BIRDS.
9