Testing the terrain hypothesis: Canada geese see their world laterally and obliquely.
Fernandez-Juricic, E., B.A. Moore, M. Doppler, J. Freeman, B.F. Blackwell, S.L. Lima, and T.L. Devault. 2011. Testing the terrain hypothesis: Canada geese see their world laterally and obliquely. Brain, Behavior and Evolution 77:147-158.