The International Zoo Yearbook is an indispensable publication for everyone interested in the biology, behaviour, care and conservation of wild animals. It is the authoritative record for the zoo world and the source of much zoological data unobtainable elsewhere. Information is presented in the form of papers, notes, detailed reference lists and surveys. Subjects covered in the Yearbook include animal reproduction, behaviour, conservation, new veterinary techniques, general wild animal husbandry, zoological research, aquarium management and zoo architecture. Through the Yearbook zoo people, zoologists, conservationists, veterinarians, and anyone concerned with wild animals can keep up to date with new developments in the zoo world.
The International Zoo Yearbook 8 is divided into three sections. The first section consists of 24 papers on canids and felids in captivity. Section 2, new developments in the zoo world, is divided into five subsections: Architecture and Construction, Breeding, Conservation, Education, Husbandry and Zoos. This section contains 49 papers on such varied subjects as birth seasons of mammals at San Francisco Zoo, growth of kangaroo pouch young in foster mothers of the same species, the early development of the gorilla twins born at Frankfurt Zoo, the white gorilla at Barcelona Zoo, breeding Australian cassowaries at Edinburgh Zoo, studbooks for animals in captivity, mammalian longevities at Philadelphia Zoo, primate longevities in captivity, a method of dolphin
transport and its physical evaluation, keeping and breeding gazelles at Hanover Zoo, experiences with the Killer whale in aquaria, and the problems of chemical restraint in wild animals.
Section 3, the reference section, provides detailed information on the world's zoos, aquaria, bird parks and colonies of rare primates (850 are listed) ; species of vertebrates bred at zoos, bird parks, aquaria and primate research colonies during the previous year (in each case the names of the institutions where each species was bred are given); an annual census of rare animals; zoo associations and federations ofthe world; rare mammal studbooks, and a subject index. Special feature in Volume 8 is a survey on marking techniques used for identifying individual wild animals in captivity.