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Barnett S A Problems of Food Selection by Rats 159
Hinde R A Behaviour of the Great Tit Parus major and some other related Species 163
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activity androgen Animal Behaviour aniseed arsenic average barium carbonate bees birds Black Grouse black rat bread paste brown rats cats cattle caught census central nervous changes cobalt cocks Cocksfoot compartment cows cretin dairy Desert Locust display double trap effect endocrine entrance environment evidence experimental experiments factors farm feeding female field four grazing grazing behaviour Hay Head hens herbage herd individual infestation influence larvae light locusts lying male mating maturation ment milking minutes mouse nervous system night normal observations occur paddock paper pasture pattern period plain base plots poison bait prebaiting rabbits Rattus norvegicus reaction rear door recorded red squill refused response ricks rookoing roosting rumination sex hormones sexual behaviour sheep shyness similar spawning species spent grazing squill stimulated stridulation suggests surface sward threshed treadle tympanal organs visits watching wheat white rats wild rats winter Wonder trap