North America once had a native pigeon, with an estimated population of 3-5 billion. They were driven to extinction due to hunting and habitat loss. https://en

North America once had a native pigeon, with an estimated population of 3-5 billion. They were driven to extinction due to hunting and habitat loss. https://en.wikipedia.org/wiki/Passenger_pigeon https://en.wikipedia.org/wiki/Passenger_pigeon