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The Perigine, ( Falco peregrinus)stooping at its prey, is one of the most spectacular sights in nature, and no description can quite convey its drama. Estimates of the speed achieved have been put at 100 mph (160 kmph) or more, aerodynamically it is probably capable of this, but probably rarely exceeds 65-85 mph (104-136 kmph). The great bird-of-prey expert, Leslie Brown, reckons this is its normal speed and quite sufficient to despatch its victim, which it does with its powerful hind claw. A compact, robust-looking bird with long pointed wings and medium-length tapering tail, its normal flight is swift and direct with a few rapid wing beats, alternating with a long glide. It can then look quite pigeon-like, though the dark blue-grey upper-parts, crown and side of head, with fierce black moustachial stripe, should quickly determine its identity. The pale underparts are heavily barred, more so on the female, which is larger. In falconry terms, the female is called the falcon, the male the 'tiercel'. Like all birds of prey the Peregrine sits for long periods, often hunched on a stone, rock or cliff ledge. Extract from RSPB Complete Birds of Britain by Rob Hume. The Collins Gem Guide. Birds.British Birds. A field Guide. Alan J.Richards. |
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