Sika deer culling had to be introduced in the 1930s to control their numbers. Across its original range and in many areas to which it has been introduced, the sika is regarded as a particularly prized and elusive sportsman's quarry. In Britain, Ireland, and mainland Europe, sika display very different survival strategies and escape tactics from the indigenous deer. They have a marked tendency to use concealment in circumstances when red deer, for example, would flee, and have been seen to squat and lie belly-flat when danger threatens. In the British Isles, sika are widely regarded as a serious threat to new
Rational animal in the Arbor Porphyriana, man is a substance, corporeal, living, sentient, and rational". In Meditation II of "Meditations on First Philosophy", Descartes arrives at his famous "I think, I exist" claim. He then goes on to wonder "What am I?" He considers and rejects the scholastic concept of the "rational animal": Shall I say 'a rational animal'? No; for then I should have to inquire what an animal is, what rationality is, and in this one question would lead me down the slope to other harder ones. Freud was as aware as any of the irrational forces at work in