C. Werner

Categorization of multidimensional geometrical figures by chickens (Gallus gallus f. domestica): fit of basic assumptions from exemplar, feature and prototype theory

G. Rehkämper, Gerd Rehkämper, C. Werner, 2001, Animal Cognition.

Do chickens (Gallus gallus f. domestica) decompose visual figures?

J. Cnotka, G. Rehkämper, C. Werner, 2005, Animal Cognition.

Visual perception and stimulus orientation in cattle

G. Rehkämper, C. Werner, A. Görlach, 2000, Vision Research.