DBC Yellowhammer Survey
The Yellowhammer population in Durham may have been in decline for many years. The Birds of Durham (Bowey and Newsome, 2012) notes that Tristram (1905) reported that it had “decreased much in numbers in late years”, while Temperley (1951) recorded a marked decline in the decade before his book was written. Since then local and national data suggest further decline, in County Durham perhaps more noticeable in areas west of Durham City. DBC is therefore running a breeding se