Question

difference between animals and bird

Answer 1

bird is a specefic catogary . and animal can be anything lion , bull , bird

Answer 2

both animals and birds belongs to same Phylum chordata means the animals which have Mata call notochord is just the backbone

1st chordata phylum have unsegmented Elastic Road like structured call notochord

2nd second presence of dorsal hollow nervous system

III presence of pharyngeal getting Gill slits

the last division of CHORDATA Tetrapoda there are four subdivisions amphibians reptiles AVES and mammalia the Aves are the birds means who have have four Limbs modified into wings
features of aves or birds are following
1st the body is boat shaped and divisible into head neck trunk and a Small tail

2nd the body of bird is covered with coloured feathers

3rd they are warm blooded animals and their body temperature always remains constant
example pigeon Sparrow crow peacock

now the turn of animals they belongs to the subdivision Tetrapoda mammalia all we know as animals
features of mammalia or animals are following

1st presence of external pinna

2nd presence of hair on any part of the body

3rd kangaroos give birth to very poorly developed young ones