Request for Photographs of the Rock Hyrax (Procavia capensis) in the Middle East
Author(s): De Jong, Y.A. & Butynski, T.M.
Date: 2010
Registered: Wildlife Middle East Newsletter 4 (4): 9-10.
Warthogs: An Alert to Zoos, Museums, Trophy Hunters, and Conservationists
Author(s): Butynski, T.M & De Jong, Y.A.
Date: 2010
Registered: Suiform Soundings 9: 10-13
Photographic map for hyraxes (Procavidae)
Author(s): De Jong, Y.A. & Butynski, T.M.
Date: 2010
Registered: Afrotherian Conservation Number 7: 19-20.
Body Measurements of the Monkeys of Bioko Island, Equatorial Guinea
Author(s): Butynski, T.M., De Jong, Y.A. & Hearn, G.W.
Date: 2009
Registered: Primate Conservation 24: 99-105
Decline in the geographical range of the southern patas monkey Erythrocebus patas baumstarki in Tanzania.
Author(s): De Jong, Y.A., Butynski, T.M., Isbell, L.A. & Lewis, C.
Date: 2009
Registered: Oryx 43: 267-274