This was originally NOT a rare bird, but estimates ranged up to 5 billion birds in their heyday. Observers then noting that it could take up to two days for a migrating flock to pass overhead. It was North America’s most plentiful bird!
But indiscriminate hunting for sport and food and habitat loss caused a dramatic decline in populations by the late 1880’s, and by the early 20th century the bird was in very serious trouble and on its last legs. Martha, the last known passenger pigeon, died in a zoo at a ripe old age… but she was indeed the last!
This could happen faster to even more vulnerable species…BE AWARE!