Rarer birds of Nonsuch Park

Just for the interest of it I searched through my Nonsuch records on birdtrack and found some of the rarer Birds for Nonsuch, that take a bit more searching, with just a few recent records. Here they are:
Lesser Spotted Woodpecker 1 record
Wheatear 1 record
Grey Wagtail 1 record
House Martin 1 record
Pied Wagtail 3 records
Hobby 2 records
Lesser Black-backed Gull 6 records
Common Gull 8 records

Recent sightings

25/7/08

3 Stock Dove, 2 Great Spotted Woodpecker, 4+ Green Woodpecker, 1 Sparrowhawk, c20 Ring-necked Parakeet, c20 Black-headed Gulls, 3+ Mistle Thrush, 2 Jackdaw

26/7/08

1 probable Crossbill, 1 Hobby, 1 Common Gull, 4+ Green Woodpeckers showing well including juveniles, 4 Jackdaw, 3 Jay, c30 Ring-necked Parakeets set up by male Sparrowhawk, 2+ juvenile Sparrowhawks (still slightly downy) in woods (first breeding record!)

27/7/08

Best of the morning and evening trips today:

4+ Green Woodpecker (including juveniles), 2 Coal Tit, 1 Nuthatch, 2 Collared Dove (rare for site), 2+ Goldcrest, c30 Black-headed Gull, 20+ Ring-necked Parakeet, 4 Mistle Thrush (including juvs), 2 Stock Dove, 1 Great Spotted Woodpecker, 11 Jackdaw, 10+ Greenfinch, 1 Song Thrush No sign of Crossbill after search in morning and evening