Because they are Flightless Birds.
Penguins belong to the class Aves, which includes all birds. Within this class, penguins are part of the order Sphenisciformes, which consists of all penguin species.
A penguins class is Aves and their infraclass is Neognathae.
Penguins do not belong in the snakes group ! Penguins are birds - not reptiles !
Fightless bird
Birds belong to class "aves".
Ornithologist.
A. The animal one? the penguin one B. Penguins have feathers and lay eggs. I think they are in the bird family.
Penguins know who they belong to because of there fins and by the color of there stomachs.
The bird family. Its "wings" evolved into flippers to better suit it for its lifestyle. All other members if the bird family have wings.
The penguin belongs to the class Aves, which includes all birds. So yes, those dapper little tuxedo-wearing birds waddle around proudly in the same class as the majestic eagles and the quirky ostriches. Just remember, they may not fly, but they sure know how to make a splash in the avian world.
Penguins are birds in the Spheniscidaefamily.
Kingdom: Animalia Phylum: Chordata Class: Aves Infraclass: Neognathae Order: Sphenisciformes Family: Spheniscidae