39 species confirmed breeding
Canada goose Branta canadensis 2 pairs (1 in 2015)
Mallard Anas platyrhynchos 2 pairs (1 in 2014)
Northern fulmar Fulmarus glacialis 277 AOS (267 in 2015)
Manx shearwater Puffinus puffinus 4,796 pairs (3,835 in 2012)
Storm petrel Hydrobates pelagicus min 12 AOS Ramsey 149 AOS B&C 2010
European shag Phalacrocorax aristotelis 15 pairs in 2012
Common buzzard Buteo buteo 2 pairs (1 in 2015)
Kestrel Falco tinnunculus 2 pairs, 4 young fledged
Peregrine falcon Falco peregrinus 3 pairs (3 in 2015)
Oystercatcher Haematopus ostralegus 10 pairs (32 in 2013)
Herring gull Larus argentatus 221 AON in 2013
Lesser black-backed gull Larus fuscus 139 AON in 2013
Great black-backed gull Larus marinus 25 AON in 2013
Kittiwake Rissa trydactyla 102 AON (127 in 2015)
Common guillemot Uria aalge 4,403 individuals in 2015
Razorbill Alca torda 1,222 individuals in 2015
Atlantic puffin Fractecular arctica 60 individuals N. Bishop
Feral pigeon Columba livia no survey
Wood Pigeon Columba palumbus 1 pair (1st breeding record)
Short-eared Owl Asio flammeus 2 pairs (none in 2015)
Little owl Athene noctua 3 pairs (2 in 2015)
Skylark Alauda arvensis 14 pairs (8 in 2015)
Barn swallow Hirundo rustica 8 pairs (12 in 2015)
House martin Delichon urbicum 12 pairs (8 in 2015)
Meadow pipit Anthus pratensis 93 pairs (63 in 2015)
Rock pipit Anthus petrosus 26 pairs (32 in 2015)
Pied wagtail Motacilla alba 7 pairs (8 in 2015)
Wren Troglodytes troglodytes 51 pairs (36 in 2015)
Dunnock Prunella modularis 15 pairs (12 in 2015)
European stonechat Saxicola torquata 32 pairs (19 in 2015)
Northern wheatear Oenanthe oenanthe 104 pairs (85 in 2015)
Blackbird Turdus merula 11 pairs (14 in 2015)
Whitethroat Sylvia communis 6 pairs (5 in 2015)
Spotted Flycatcher Muscicapa striata 1 pair (1st breeding record)
Jackdaw Corvus monedula no survey
Chough Pyrrhocorax pyrrhocorax 8 pairs, 16 young fledged
Carrion crow Corvus corone 9 pairs (7 in 2015)
Raven Corvus corax 3 pairs (3 in 2015)
Linnet Carduelis cannabina 67 pairs (66 in 2015)
AON = Apparently Occupied Nest
AOS = Apparently Occupied Site