birds come under class aves of the phylum chordata.
The class of birds is ironically called Birds.
Birds are in the class Aves There are many orders of birds within the class Aves.
They come from the class of birds, but they´re not invertebrates. Invertebrate means ´without a backbone´, and birds do have a backbone (and the rest of their skeleton), making them vertebrates!
Class Agnatha (jawless fish)Class Chondrichthyes (cartilaginous fishes)Class Osteichthyes (bony fishes)Class Amphibia (amphibians)Class Reptilia (reptiles)Class Aves (birds)Class Mammalia (mammals)
Birds are chordates that belong to class Aves, butterflies are arthropods belonging to class Lepidoptera.
The class for an ostrich is Aves, meaning the "class of birds."
penguins are in the class of birds
Penguins are in the Class Aves (Birds); Infraclass: Neognathae; Order: Sphenisciformes; Family: Spheniscidae
aves which is the class for all birds
They come the same way all other birds come from. An egg.
The Class for all birds is Aves...from this stem the many orders of the different birds.