9. Vagrants and scarce migrants
A number of species are not rarities as defined by the British
Birds Rarities Committee, yet occur on an infrequent basis in the
UK. These are usually only seen individually and at unpredictable
locations. Accordingly, no SPAs have been selected for the
following species: Mediterranean Shearwater Puffinus
yelkouan, Snow Goose Anser caerulescens, Ring-necked
Duck Aythya collaris, Rough-legged Buzzard Buteo
lagopus, Purple Heron Ardea purpurea, White
Stork Ciconia ciconia, Spoonbill Platalea
leucorodia, Pectoral Sandpiper Calidris
melanotus, Buff-breasted Sandpiper Tryngites
subruficollis, Ring-billed Gull Larus delawarensis,
Bee-eater Merops apiaster, Hoopoe Upupa epops,
Red-rumped Swallow Hirundo daurica, Woodchat Shrike
Lanius senator, Richard's Pipit Anthus
novaeseelandiae, Tawny Pipit Anthus campestris,
Bluethroat Luscinia svecica, Barred Warbler
Sylvia nisoria, Pallas's Warbler,
Phylloscopus proregulus, Icterine Warbler Hippolais
icterina, Melodious Warbler Hippolais polyglotta, and
Ortolan Bunting Emberiza hortulana.