Trends in the captive breeding of threatened and endangered birds in British zoos, 1988–1997

Abstract 10.1002/zoo.10122.abs The aim of this study was to assess trends in captive breeding of threatened and endangered bird species in British zoos. The measures we recorded were: 1) the total number of species held, 2) the percentage of species held that are listed in the IUCN Red List, 3) the percentage of endangered species […]