Birds evolved from non-avian theropod dinosaurs. Because all non-avian dinosaurs are extinct, the closest living relatives of birds are crocodillians. Crocodillians and birds are the last surviving archosaurs. Two extinct archosaurs are dinosaurs and pterosaurs.
A cockatiel belongs to the bird family in the animal kingdom and is most closely related to cockatoos.
A Nandu is in the rhea genus family which means bird. It is closely related to Ostriches and Emus.
The animal most closely related to humans is the chimpanzee.
The dugong is closely related to the manatee.
Brambling
Humans are most closely related to chimpanzees.
Chimpanzees are the animals most closely related to humans.
rhiniceros
They are 85% bear 15%bird, yes bird it has been proven they have avian dna inside them.
No animal most closely related is chimp
Parus atricapillus
an Asian bird