The only thing these three quite different species have in common is that they are all vertebrates.
An ostrich is a huge flightless bird that can run fast. A pigeon is much smaller and can fly.
California Ostrich and Pigeon Farms - 1912 was released on: USA: 13 April 1912
Chickens have bigger eyes than a pigeon
An ostrich is much larger than a pigeon.A pigeon can fly while an ostrich cannot.A pigeon cannot run as fast as an ostrich.A pigeon has a longer tail than an ostrich.Ostriches live in harems while pigeons are mostly monogamous.Ostriches live for far longer than pigeons.Pigeon chicks develop slowly, while ostrich chicks can walk minutes after hatching.Ostriches do not have crops, while pigeons do.Ostriches nest on the ground, while pigeons do not.Wild ostrich populations have declined, while pigeon populations have soared.
robin
Well one diffrence is that penguins live in antartica and an ostrich lives in africa.
Similar in size, if you mean common pigeon as the rock dove.
All of them. I have never heard of a poisonous bird
My dick's been in the kingfisher and ladybird, but not the guppy...
The passenger pigeon, quagga, and mammoth have in common that they are all extinct animals.
The noun 'pigeon' is a common noun, a general word for a type of bird.A proper noun is the name of a specific person, place, or thing. A proper noun for the common noun 'pigeon' is Pigeon Forge in Tennessee.
"Passenger Pigeon" is a proper noun because it specifically refers to a unique species of pigeon.