‘In Alfred Hitchcock’s 1963 opus The Birds, two outsiders arrive in a seaside town in northern California with a cage of love birds in tow. Their arrival in the Bodega Bay triggers birds of all types to begin attacking the residents in the area, but Hitchcock ultimately leaves the reason for this strange avian behavior a mystery.
Luckily, new research published in Biology Letters which found that birds that live in areas with high human populations (urban/suburban areas) are more territorially aggressive than birds in rural areas might be able to shed some light on this Hitchcockian mystery.
“A possible reason for this is that these birds have less space but better resources to defend,” said Scott Davies, a postdoctoral associate in biological sciences at Virginia Tech. “Living near humans provides better food and shelter, but it also means more competition for these limited resources.” …’