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Breeding Parrots and Parrakeets in a Public Zoo by G S Mottershead
Breeding Parrots and Parrakeets in a Public Zoo by G S Mottershead
A Film Showing New Installations and Animals at the New York Zoo by Lee S. Crandall
A Film Showing New Installations and Animals at the New York Zoo by Lee S. Crandall
The Difficulties of Breeding Bears, Especially Kodiak Bears, in Captivity by E H Tong
The Difficulties of Breeding Bears, Especially Kodiak Bears, in Captivity by E H Tong
Breeding Moose in the Berne Zoo by Dr M Meyer-Holzapfel
Breeding Moose in the Berne Zoo by Dr M Meyer-Holzapfel
Brown Bears (Ursus arctos) and Foxes (Vulpes vulpes) together in the same enclosure by Kai Curry-Lindahl
Brown Bears (Ursus arctos) and Foxes (Vulpes vulpes) together in the same enclosure by Kai Curry-Lindahl