Territory in the Great Crested Grebe

I N their review of territory in bird life, D. and L. Lack (6) consider t h a t the claims for territory have been much exaggerated and that, especially, there is not adequate proof in any species t h a t territorial behaviour has food value. I t was further questioned whether territorial behaviour limited the population density at all, irrespective of its possible food value. Subsequently, Huxley...