Book Reviewed in this article:

del Hoyo, J., Elliott, A. & Sargatal, J. (eds) 1994: Handbook of the birds of the world, Vol. II. New World vultures to guineafowl

Caro, T. M. 1994: Cheetahs of the Serengeti plains — group living in an asocial species

Spinage, C. A. 1994: Elephants. Poyser Natural History

Dawkins, M. S. 1994: Die Entdeckung des tierischen Bewußtseins