Dr Mark Avery writes mostly on birds, their biology and their conservation. He worked for the RSPB for 25 years – first as a scientist but for nearly 13 years as Conservation Director. In 2011 he left the RSPB to go freelance. He writes a daily blog on UK nature conservation issues (www.markavery.info/blog/) and regularly for British Wildlife, BBC Wildlife and Birdwatch magazines. He lives in rural Northamptonshire.