Migrants at Paxton Pits
Each year, we track the arrival and departure of migrants at Paxton Pits.
Departures 2007
These are the latest dates that we know about - e-mail us if you know better! The little ringed plover is one day later than the previous Paxton latest (in 2002).
| Paxton 2007 | Paxton latest | Cambs latest | |
| Cuckoo | 27 June | 31 August 2003 | 4 November 1957 |
| Nightingale | 12 August | 25 August 2001 | 6 September 1996 |
| Willow warbler | 9 September | 1 October 2006 | 24 October 2000 |
| Garden warbler | 9 September | 2 October 2005 | 21 November 2003 |
| Sedge warbler | 15 September | 19 September 1993 | 10 December 2003 |
| Lesser whitethroat | 15 September | 26 September 2006 | 25 November 2003 |
| Turtle dove | 16 September | 25 September 1980 | 16 November 1957 |
| Swift | 21 September | 15 October 1961 | 8 November 2001 |
| Wheatear | 22 September | 18 October 2003 | 24 November 1957 |
| Reed warbler | 22 September | 15 October 2006 | 12 December 1987 |
| Blackcap | 22 September | 21 October 2005 | overwinters |
| Hobby | 22 September | 28 October 2002 | 2 November 1992/2001/2002 |
| Whitethroat | 22 September | 30 October 2004 | 22 November 2002 |
| Yellow wagtail | 23 September | 19 October 2006 | 5 December 1982 |
| Little ringed plover | 24 September | 24 September 2007 | 29 October 1973 |
| Common tern | 29 September | 24 October 2004 | 6 December 1953 |
| Swallow | 2 October | 29 October 2006 | 3 December 1953 |
| Sand martin | 2 October | 20 October 2000 | 17 November 1968 |
| Chiffchaff | 19 October | overwinters | overwinters |
| House martin | 27 October | 5 November 2005 | 17 December 1977 |
Arrivals 2007
Exceptionally mild weather in early March brought some of the first migrants close to their earliest ever dates, but cold northerly winds slowed the arrival of April returnees. A flood arrived mid month, with the earliest ever lesser whitethroat. Remarkably, the first of all the regular migrants had arrived by the end of the third week of April.
| Paxton 2007 | Paxton earliest | Cambs earliest | |
| Sand martin | 17 March | 2 March 1997 | 27 February 1994 |
| Chiffchaff | 12 March | 2 March 2003 | overwinters |
| House martin | 9 April | 4 March 2001 | 4 March 2001 |
| Willow warbler | 6 April | 9 March 1997 | 9 March 1997 |
| Wheatear | 22 April | 11 March 1996 | 7 March 1977/1989 |
| Little ringed plover | 16 March | 12 March 2000 | 4 March 2003 |
| Swallow | 18 March | 14 March 2001 | 7 March 1983 |
| Blackcap | 28 March | 17 March 2004 | overwinters |
| Sedge warbler | 12 April | 25 March 2002 | 25 March 2002 |
| Yellow wagtail | 5 April | 27 March 2005 | 20 March 1999 |
| Common tern | 11 April | 3 April 1999/2006 | 20 March 1997 |
| Whitethroat | 15 April | 3 April 2002 | 29 March 1998 |
| Cuckoo | 12 April | 3 April 2005 | 8 March 1989 |
| Garden warbler | 21 April | 4 April 1997 | 28 March 1999 |
| Nightingale | 9 April | 4 April 1999/2002 | 4 April 1999/2002 |
| Reed warbler | 19 April | 7 April 2001 | 7 April 2001 |
| Turtle dove | 22 April | 12 April 1998 | 4 April 1982 |
| Lesser whitethroat | 14 April | 14 April 2007 | 31 March 1987 |
| Hobby | 22 April | 17 April 2004/2006 | 31 March 1985 |
| Swift | 21 April | 19 April 1996 | 3 April 2002 |