R. Holland

Giraffes go for more: a quantity discrimination study in giraffes (Giraffa camelopardalis)

F. Amici, A. L. Caicoya, M. Colell, 2020, Animal Cognition.

A non‐invasive method for sampling the body odour of mammals

M. Manser, A. Widdig, B. Weiß, 2017 .

Gaze Following in Ungulates: Domesticated and Non-domesticated Species Follow the Gaze of Both Humans and Conspecifics in an Experimental Context

F. Amici, A. L. Caicoya, M. Colell, 2020, Frontiers in Psychology.

Innovation across 13 ungulate species: problem solvers are less integrated in the social group and less neophobic

F. Amici, A. L. Caicoya, L. von Fersen, 2023, Proceedings of the Royal Society B.

Neophobia in 10 ungulate species—a comparative approach

F. Amici, A. Widdig, A. L. Caicoya, 2021, Behavioral Ecology and Sociobiology.

Deriving observation distances for camera trap distance sampling

H. Kühl, R. Holland, Annika M. Zuleger, 2022, African Journal of Ecology.

Perception of optical illusions in ungulates: insights from goats, sheep, guanacos and llamas

R. Holland, Alvaro Lopez Caicoya, Alina Schaffer, 2024, Animal cognition.