...The rook paid no attention until she was almost on it... 
W. H. Hudson 「Birds in Town and Village」
... Another morning this same old rook came with his mate to the field: separating, they came down a distance of a hundred yards or more apart and began searching for grubs...
W. H. Hudson 「Birds in Town and Village」
... or farmer's journal as "even worse than the rook...
W. H. Hudson 「Birds in Town and Village」
...Like the rest ofits tribe, it is omnivorous, and lives in societies, like the commonJackdaw and Rook, but rarely deserting, and then only when pressedby hunger, the place of its birth...
Rev. C. A. Johns 「British Birds in their Haunts」
...They have also been observed to chase and kill small birds, which,as near starvation as themselves, have been unable to fly beyondtheir reach, and I have even seen a Rook catch a small fish...
Rev. C. A. Johns 「British Birds in their Haunts」
...Even artificial nests, with suitable suppliesof food, have succeeded, and it seems thatthe rook is nowhere a very difficult neighbourto attract and establish...
Frederick G. Aflalo 「Birds in the Calendar」
...The most important problem however inconnection with the rook is the precise extentto which the bird is the farmer's enemy or hisfriend...
Frederick G. Aflalo 「Birds in the Calendar」
...On the one hand, it seems undeniablethat the rook eats grain and potatoshoots...
Frederick G. Aflalo 「Birds in the Calendar」
...Similar treatment ofother wild birds would in time produce thesame result, and even the suspicious starlingand stand-off rook might be taught to forgettheir fear of us...
Frederick G. Aflalo 「Birds in the Calendar」
...In the midst ofthese playful exertions it unfortunately happened that one rook, by asudden turn, struck his beak against the wing of another...
Percy J. Billinghurst 「A Hundred Anecdotes of Animals」
...Further differencesare found in the feathering of the head and neck of thesebirds, that of the crow being much more completely coveredthan that of the rook...
Various 「Natural History in Anecdote」
...The croak of the crow is, moreover,much harsher than the caw of the rook...
Various 「Natural History in Anecdote」
...It is only when the rook in his turn gets too numerous thathe needs a similar check...
Various 「Natural History in Anecdote」
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