BIO 227 Lecture Notes - Lecture 34: Whooping Crane, Island Fox, Passenger Pigeon
Document Summary
Removal of non-native species on santa catalina and santa rosa. Intensive management techniques to recover endangered species: double clutching. Taking away eggs so they"ll lay more. Allows survival rate to be higher of young. Benefits of captive breeding: temporarily remove threats, offspring released into wild, research possibilities, promote public education, awareness of conservation issues. Limits: hard to establish self-sustaining population, usually small, high risk of genetic effects, captivity leads to domestication, disease and other factors due to captive breeding, limitation of human resources, not substitute for addressing limiting factor.
