Richard A. Pettifor

Spontaneous emergence of leaders and followers in foraging pairs

Sean A. Rands, Guy Cowlishaw, Richard A. Pettifor, 2003, Nature.

The effects of avian mobbing on a potential predator, the European kestrel, Falco tinnunculus

Richard A. Pettifor, R. Pettifor, 1990, Animal Behaviour.

Social foraging and dominance relationships: the effects of socially mediated interference

Sean A. Rands, Guy Cowlishaw, Richard A. Pettifor, 2006, Behavioral Ecology and Sociobiology.