Which one of these birds is an experimental population

Kirtlands walber

pipping plover'

rufa red knot

Whooping crane

Answer Whooping Crane

An experimental population is a geologically depicted gathering of reintroduced plants or creatures that is segregated from other existing populaces of the species. It is done to protect the endangered species from getting extinct. Whooping crane is also one of those birds which were endangered and experimental population technique was used.

Whooping crane is the answer