The conservation status of our birds.

Conservation status	Bird species
Globally threatened Historical population decline in UK during 1800–1995 Severe (at least 50%) decline in UK breeding population over last 25 years, or longer-term period (the entire period used for assessments since the first BoCC review, starting in 1969). Severe (at least 50%) contraction of UK breeding range over last 25 years, or the longer-term period	Herring Gull, Song Thrush, Starling, Skylark, Yellowhammer Grey Partridge Lapwing House Sparrow
Species with unfavourable conservation status in Europe (SPEC = Species of European Conservation Concern) Historical population decline during 1800–1995, but recovering; population size has more than doubled over last 25 years Moderate (25-49%) decline in UK breeding population over last 25 years, or the longer-term period Moderate (25-49%) contraction of UK breeding range over last 25 years, or the longer-term period Moderate (25-49%) decline in UK non-breeding population over last 25 years, or the longer-term period Rare breeder; 1–300 breeding pairs in UK Rare non-breeders; less than 900 individuals Localised; at least 50% of UK breeding or non-breeding population in 10 or fewer sites, but not applied to rare breeders or non-breeders Internationally important; at least 20% of European breeding or non-breeding population in UK (NW European and East Atlantic Flyway populations used for non-breeding wildfowl and waders respectively)	Kestrel, Common Tern, Tufted duck, Gannet Bullfinch, Green Woodpecker Lesser Black-back gull, Sand Martin Swallow, Sandwich tern Little Grebe Oystercatcher, Willow warbler Guillemot House Martin Pochard Black headed gull Kingfisher Swift Grey wagtail Common gull
Species that occur regularly in the UK but do not qualify under any or the above criteria	Wood Pigeon, Blackbird, Rook Moorhen, Carrion Crow Mute Swan Wren Jackdaw Magpie Collared Dove Dipper Goldfinch Chaffinch Chiffchaff Pied Wagtail Grey Heron Rock Dove Cormorant