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Message: <blockquote data-quote="Nutcracker" data-source="post: 3364342" data-attributes="member: 18214">Just did a bit of maths . . .Goshawk: London 2013: 3 bird-days.Sparrowhawk: typical breeding density 10-70 pairs per 100 sq.km; London is 1500 sq.km; so 150-1000 pairs; these resident all year, so 110,000-760,000 bird-days, even not counting their fledged young.So very roughly, you're about 100,000 times more likely to see a Sparrowhawk 8-P</blockquote>