Both birds and mammals care for their young.
The common ancestor of mammals and birds was a reptile.
Of course not ...no birds are mammals !!!!!!!!!!!No, they are birds.
They are all animals. That is about it.
yes
yes, both are warm blooded and both use sexual reproduction to produce.
No. Both mammals and birds "inherited jaws" from a common reptilian ancestor which ultimately originated in an early fish.
Birds have a 4-chambered heart, a characteristic in common with mammals.
Sexual reproduction by union of male and female gamets.
reptiles and amphibians have the most in common
Birds do not have rectums in the same way mammals do; instead, they possess a cloaca, which is a single opening for excretion and reproduction. The cloaca allows birds to expel waste and lay eggs through one common outlet. This adaptation is efficient for their anatomy and supports their lightweight body structure, which is essential for flight.
Owls lay eggs. Since rats are mammals and not birds, they have live young.
No, they are birds.