The main difference is that passenger pigeons are extinct. Also, regular pigeons now are much less attractive in color that passenger pigeons were.
Peregrine Falcons are the most threat for your pigeons.
Passenger pigeons would fly in large flocks in Wisconsin and other states in the 1800s.
The passenger lived in the forests of eastern North America.
Messenger pigeons are domesticated Rock Pigeons,Columba livia domestica, that are trained to fly and return to humans. Passenger pigeons were a wild species.
Ectopistes Migratorious.
Passenger Pigeons became endangered through overhunting and habitat loss.
The last known passenger pigeon died in 1914.
start of the airplane
If you check out www.ehrweb.aaas.org/ehr/parents/Pigeons!.html "Scientists think that once pigeons mate, they stay together for life."
The passenger pigeon, Ectopistes Migratorious, once the most populous bird on earth, went extinct because of overhunting in the early 1900's. The bird had a life span of 7-12 years, sometimes slightly more. (This would probably indicate the lifespan in the wild: Martha, the last passenger pigeon, live and died in captivity at the age of 29. This is similar to the Rock Pigeon [the common city pigeon], that lives about 3 years in the wild, yet 15 to 20 years as a pet.)
Passenger pigeons were hunted by natives as a source of food. Here are several ways the natives hunted the passenger pigeons:killing the juveniles at night with long polessetting up large nests to capture the adult pigeonslow flying pigeons could be killed by throwing sticks and stonesCherokees killed pigeons by throwing their club at the leading pigeon in the morning when it left its roost