1. The Whooping Crane. Research Report 3;Allen,1952
2. Genetic effects of captive breeding cause a rapid, cumulative fitness decline in the wild;Araki;Science,2007
3. Species Survival Plan® (SSP) Program Handbook,2014
4. Population Analysis and Transfer Plan-Whooping Crane (Grus americana) AZA Species Survival Program® Green Program,2017
5. Identifying genetically important individuals for management of genetic diversity in pedigreed populations;Ballou,1995