Selected older papers:

Animal welfare
Dawkins, M.S., Donnelly, C.A. & Jones, T.A. (2004) Chicken welfare is influenced more by housing conditions than by stocking density. Nature 427: 342-344.

Dawkins, M.S. (1998) Evolution and animal welfare. Quarterly Review of Biology 73: 305-328.

Dawkins, M.S. (1990) From an animal's point of view: motivation, fitness and animal welfare. Behavioral and Brain Sciences 13: 1-9.

Dawkins, M. (1983) Battery hens name their price: consumer demand theory and the measurement of ethological 'needs'. Animal Behaviour 31: 1195-1205.

Dawkins, M. (1977) Do hens suffer in battery cages? Environmental preferences and welfare. Animal Behaviour 25: 1034-1046.

Animal signals
Guilford, T. & Dawkins, M.S. (1991) Receiver psychology and the evolution of animal signals. Animal Behaviour 42: 1-14

Dawkins, M.S. & Guilford, T. (1991) The corruption of honest signalling. Animal Behaviour 41: 865-874.

Bird vision
Dawkins, M.S. & Woodington, A. (2000) Pattern recognition and active vision in chickens. Nature 403: 403; 652-655.

Dawkins, M.S. (1995) How do hens view other hens?The use of lateral and binocular visual fields in social recognition. Behaviour 132: 591-606.