|A Dunnock (I haven't got one of a Chiffchaff yet)|
Dates for my first singing Chiffchaff of Spring:
2011: Yesterday (Sunday, March 27) - London Wetland Centre, Barnes
2010: Sunday, March 28 - Thames path at Barnes
2009: Saturday, March 21 - London Wetland Centre, Barnes
2008: Saturday, April 5 - Wells, Norfolk
Previous data unavailable but a pattern seems to be emerging - they always turn up on a weekend...