In addition to the wolves thriving and reproducing in Yellowstone, the park’s flora and fauna in general also seems to be seeing improvements since the wolves were reintroduced.
Passenger Pigeon
Remembering Martha – the Last Passenger Pigeon
Martha died at the ripe old age of 29, the last in a very long string of Passenger Pigeons. She was the namesake of Martha Washington – President George Washington’s wife – who herself had suffered an earlier extinction incident in the spring of 1802.