Comparative behavior of free-ranging blackbirds ( Turdus merula) and silvereyes ( Zosterops lateralis) with hexose sugars in artificial grapes

Autor: Saxton, V.P., Hickling, G.J., Trought, M.C.T., Creasy, G.L.
Zdroj: In Applied Animal Behaviour Science 2004 85(1):157-166
Databáze: ScienceDirect