David Shepherdson
3 published titles
Lar gibbon duets
1 edition
Puzzle feeder for orang utans
(Contributor)
1 edition
- Universities Federation for Animal Welfare
- 1991
- Details
Second nature : environmental enrichment for captive animals
(Contributor)
1 edition
- ISBN: 1560983973
- Smithsonian Institution Press
- 1998
- Details
