They are about 1 foot wide on side view and are average fat from eating.
The Passenger Pigeon (Ectopistes migratorius).
The passenger Pigeon is extinct.
The main difference is that passenger pigeons are extinct. Also, regular pigeons now are much less attractive in color that passenger pigeons were.
The passenger pigeon has been extinct since 1914.
"Passenger Pigeon" is a proper noun because it specifically refers to a unique species of pigeon.
passenger pigeon
the scientific name for the passenger pigeon is Ectopistes migratorius
Both were decimated by overhunting. The bison survived, but the passenger pigeon did not.
you have to weigh at least 85 lbs. to ride in the passenger seat
the passenger pigeon
stamina
The passenger pigeon, quagga, and mammoth have in common that they are all extinct animals.