We counted an estimated 18,900+/-1,100 Sandhill Cranes in the Central Platte River Valley (CPRV) between Chapman and Overton, Nebraska, on 12 April 2021.

We counted an estimated 35,800+/-5,300 Sandhill Cranes in the Central Platte River Valley between Chapman and Overton, Nebraska, on 6 April 2021.

We counted an estimated 216,700+/-58,500 Sandhill Cranes in the Central Platte River Valley (CPRV) between Chapman and Overton, Nebraska, on 28 March 2021.