Sandhill Crane Counts – Week 7

Andrew Caven, Lead Biologist

On Tuesday, March 27th, we counted a photo-corrected 500,050 +71,500 Sandhill Cranes in the Central Platte River Valley between Chapman and Overton, Nebraska. Our flights are designed to estimate the abundance of Sandhill Cranes in particular segments of the Central Platte River Valley…

Sandhill Crane Counts – Week 6

Andrew Caven, Lead Biologist

A large count Thursday morning suggests we are near peak numbers of Sandhill Cranes in the Central Platte River Valley (CPRV). Our raw count was 504,000 Sandhill Cranes between Chapman and Overton, Nebraska. However, analysis of our photo –subplots (used to calculate…

Sandhill Crane Counts – Week 5

Andrew Caven, Lead Biologist

We saw a bump from just 5 days ago on our last count. We estimated 326,000 +/- 42,000 Sandhill Cranes roosting on the river or visible in the adjacent fields today from the flight path.  We also noted 13,000 Sandhill Cranes in…

Sandhill Crane Counts – Week 4

Andrew Caven, Lead Biologist

We were delayed due to weather conditions on getting the aerial survey completed until yesterday. However, the generally solid conditions for migration over the last 10 days showed and we nearly multiplied the number of birds on the river by 10 since…