Trend in the breeding abundance of Common Buzzard in Scotland between 1994 and 2010 (relative to index value set to 100 in 1994). Both the annual index values, and the smoothed index with associated 95% confidence limits, are show (Source: BTO/JNCC/RSPB Breeding Bird Survey data).

671 × 670 Common Buzzard

Breeding abundance: 1994-2010 (Breeding Bird Survey data)