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Mega Mega

Species which have not yet occurred in the British Isles or are exceedingly rare, or are otherwise highly desirable.

Black-browed Albatross Black-browed Albatross Thalassarche melanophris
Black-capped Petrel Black-capped Petrel Pterodroma hasitata
Soft-plumaged Petrel Soft-plumaged Petrel Pterodroma mollis
Zino's Petrel Zino's Petrel Pterodroma madeira
Bulwer's Petrel Bulwer's Petrel Bulweria bulwerii
Yelkouan Shearwater Yelkouan Shearwater Puffinus yelkouan
White-faced Storm-petrel White-faced Storm-petrel Pelagodroma marina
Madeiran Storm-petrel Madeiran Storm-petrel Oceanodroma castro
Swinhoe's Storm-petrel Swinhoe's Storm-petrel Oceanodroma monorhis
Red-billed Tropicbird Red-billed Tropicbird Phaethon aethereus
Blue-winged Warbler Blue-winged Warbler Vermivora pinus
Double-crested Cormorant Double-crested Cormorant Phalacrocorax auritus
Pygmy Cormorant Pygmy Cormorant Phalacrocorax pygmeus
Magnificent Frigatebird Magnificent Frigatebird Fregata magnificens
American Bittern American Bittern Botaurus lentiginosus
Green Heron Green Heron Butorides virescens
Canvasback Canvasback Aythya valisineria
Redhead Redhead Aythya americana
Steller's Eider Steller's Eider Polysticta stelleri
Harlequin Duck Harlequin Duck Histrionicus histrionicus
Bufflehead Bufflehead Bucephala albeola
Barrow's Goldeneye Barrow's Goldeneye Bucephala islandica
Black-shouldered Kite Black-shouldered Kite Elanus caeruleus
Eurasian Griffon Vulture Eurasian Griffon Vulture Gyps fulvus
Egyptian Vulture Egyptian Vulture Neophron percnopterus
Short-toed Eagle Short-toed Eagle Circaetus gallicus
Pallid Harrier Pallid Harrier Circus macrourus
Levant Sparrowhawk Levant Sparrowhawk Accipiter brevipes
Long-legged Buzzard Long-legged Buzzard Buteo rufinus
Lesser Spotted Eagle Lesser Spotted Eagle Aquila pomarina
Greater Spotted Eagle Greater Spotted Eagle Aquila clanga
Bonelli's Eagle Bonelli's Eagle Aquila fasciata
Booted Eagle Booted Eagle Aquila pennata
Lesser Kestrel Lesser Kestrel Falco naumanni
Eleonora's Falcon Eleonora's Falcon Falco eleonorae
Sandhill Crane Sandhill Crane Grus canadensis
Little Crake Little Crake Porzana parva
Baillon's Crake Baillon's Crake Porzana pusilla
Sora Sora Porzana carolina
Allen's Gallinule Allen's Gallinule Porphyrula alleni
Purple Gallinule Purple Gallinule Porphyrio porphyrio
American Purple Gallinule American Purple Gallinule Porphyrula martinica
American Coot American Coot Fulica americana
Red-knobbed Coot Red-knobbed Coot Fulica cristata
Little Bustard Little Bustard Tetrax tetrax
Houbara Bustard Houbara Bustard Chlamydotis undulata
Cream-coloured Courser Cream-coloured Courser Cursorius cursor
Oriental Pratincole Oriental Pratincole Glareola maldivarum
Sociable Lapwing Sociable Lapwing Vanellus gregarius
White-tailed Lapwing White-tailed Lapwing Vanellus leucurus
Semipalmated Plover Semipalmated Plover Charadrius semipalmatus
Killdeer Killdeer Charadrius vociferus
Lesser Sand Plover Lesser Sand Plover Charadrius mongolus
Greater Sand Plover Greater Sand Plover Charadrius leschenaultii
Caspian Plover Caspian Plover Charadrius asiaticus
Hudsonian Godwit Hudsonian Godwit Limosa haemastica
Little Curlew Little Curlew Numenius minutus
Eskimo Curlew Eskimo Curlew Numenius borealis
Slender-billed Curlew Slender-billed Curlew Numenius tenuirostris
Upland Sandpiper Upland Sandpiper Bartramia longicauda
Solitary Sandpiper Solitary Sandpiper Tringa solitaria
Grey-tailed Tattler Grey-tailed Tattler Heteroscelus brevipes
Wilson's Snipe Wilson's Snipe Gallinago gallinago delicata
Short-billed Dowitcher Short-billed Dowitcher Limnodromus griseus
Great Knot Great Knot Calidris tenuirostris
Western Sandpiper Western Sandpiper Calidris mauri
Semipalmated/Western Sandpiper Semipalmated/Western Sandpiper Calidris sp.
Red-necked Stint Red-necked Stint Calidris ruficollis
Long-toed Stint Long-toed Stint Calidris subminuta
Sharp-tailed Sandpiper Sharp-tailed Sandpiper Calidris acuminata
Stilt Sandpiper Stilt Sandpiper Calidris himantopus
Ivory Gull Ivory Gull Pagophila eburnea
Audouin's Gull Audouin's Gull Larus audouinii
Armenian Gull Armenian Gull Larus armenicus
Pallas's Gull Pallas's Gull Larus ichthyaetus
Slender-billed Gull Slender-billed Gull Larus genei
American Black Tern American Black Tern Chlidonias niger surinamensis
Aleutian Tern Aleutian Tern Onychoprion aleutica
Bridled Tern Bridled Tern Onychoprion anaethetus
Sooty Tern Sooty Tern Onychoprion fuscata
Royal Tern Royal Tern Sterna maxima
Lesser Crested Tern Lesser Crested Tern Sterna bengalensis
Royal/Lesser Crested Tern Royal/Lesser Crested Tern Sterna maxima/bengalensis
Elegant Tern Elegant Tern Sterna elegans
orange-billed tern sp. orange-billed tern sp. Sterna sp.
Brünnich's Guillemot Brünnich's Guillemot Uria lomvia
Ancient Murrelet Ancient Murrelet Synthliboramphus antiquus
Pallas's Sandgrouse Pallas's Sandgrouse Syrrhaptes paradoxus
Pin-tailed Sandgrouse Pin-tailed Sandgrouse Pterocles alchata
Black-bellied Sandgrouse Black-bellied Sandgrouse Pterocles orientalis
Oriental (Rufous) Turtle Dove Oriental (Rufous) Turtle Dove Streptopelia orientalis
Mourning Dove Mourning Dove Zenaida macroura
Black-billed Cuckoo Black-billed Cuckoo Coccyzus erythrophthalmus
Yellow-billed Cuckoo Yellow-billed Cuckoo Coccyzus americanus
Eurasian Scops Owl Eurasian Scops Owl Otus scops
Ural Owl Ural Owl Strix uralensis
Great Grey Owl Great Grey Owl Strix nebulosa
Northern Hawk Owl Northern Hawk Owl Surnia ulula
Pygmy Owl Pygmy Owl Glaucidium passerinum
Tengmalm's Owl Tengmalm's Owl Aegolius funereus
Common Nighthawk Common Nighthawk Chordeiles minor
Red-necked Nightjar Red-necked Nightjar Caprimulgus ruficollis
Egyptian Nightjar Egyptian Nightjar Caprimulgus aegyptius
White-throated Needletail White-throated Needletail Hirundapus caudacutus
Chimney Swift Chimney Swift Chaetura pelagica
Pacific Swift Pacific Swift Apus pacificus
Little Swift Little Swift Apus affinis
White-rumped Swift White-rumped Swift Apus caffer
Belted Kingfisher Belted Kingfisher Ceryle alcyon
Blue-cheeked Bee-eater Blue-cheeked Bee-eater Merops persicus
European Roller European Roller Coracias garrulus
Yellow-bellied Sapsucker Yellow-bellied Sapsucker Sphyrapicus varius
Middle Spotted Woodpecker Middle Spotted Woodpecker Dendrocopos medius
White-backed Woodpecker White-backed Woodpecker Dendrocopos leucotus
Syrian Woodpecker Syrian Woodpecker Dendrocopos syriacus
Three-toed Woodpecker Three-toed Woodpecker Picoides tridactylus
Black Woodpecker Black Woodpecker Dryocopus martius
Grey-headed Woodpecker Grey-headed Woodpecker Picus canus
Eastern Phoebe Eastern Phoebe Sayornis phoebe
Calandra Lark Calandra Lark Melanocorypha calandra
Bimaculated Lark Bimaculated Lark Melanocorypha bimaculata
White-winged Lark White-winged Lark Melanocorypha leucoptera
Lesser Short-toed Lark Lesser Short-toed Lark Calandrella rufescens
Dupont's Lark Dupont's Lark Chersophilus duponti
Crested Lark Crested Lark Galerida cristata
Thekla Lark Thekla Lark Galerida theklae
Tree Swallow Tree Swallow Tachycineta bicolor
Eurasian Crag Martin Eurasian Crag Martin Ptyonoprogne rupestris
Cliff Swallow Cliff Swallow Petrochelidon pyrrhonota
Blyth's Pipit Blyth's Pipit Anthus godlewskii
Buff-bellied Pipit Buff-bellied Pipit Anthus rubescens
Brown Shrike Brown Shrike Lanius cristatus
Long-tailed Shrike Long-tailed Shrike Lanius schach
Masked Shrike Masked Shrike Lanius nubelicus
Southern Grey Shrike Southern Grey Shrike Lanius meridionalis
Cedar Waxwing Cedar Waxwing Bombycilla cedrorum
Gray Catbird Gray Catbird Dumetella carolinensis
Northern Mockingbird Northern Mockingbird Mimus polyglottos
Brown Thrasher Brown Thrasher Toxostoma rufum
Alpine Accentor Alpine Accentor Prunella collaris
Radde's Accentor Radde's Accentor Prunella ocularis
Siberian Rubythroat Siberian Rubythroat Luscinia calliope
Siberian Blue Robin Siberian Blue Robin Luscinia cyane
Rufous Bush Robin Rufous Bush Robin Cercotrichas galactotes
Red-flanked Bluetail Red-flanked Bluetail Tarsiger cyanurus
White-throated Robin White-throated Robin Irania gutturalis
Moussier's Redstart Moussier's Redstart Phoenicurus moussieri
White-crowned Black Wheatear White-crowned Black Wheatear Oenanthe leucopyga
Black Wheatear Black Wheatear Oenanthe leucura
Finsch's Wheatear Finsch's Wheatear Oenanthe finschii
Cyprus Pied Wheatear Cyprus Pied Wheatear Oenanthe cypriaca
Red-tailed Wheatear Red-tailed Wheatear Oenanthe xanthoprymna
Isabelline Wheatear Isabelline Wheatear Oenanthe isabellina
Rufous-tailed Rock Thrush Rufous-tailed Rock Thrush Monticola saxatilis
Blue Rock Thrush Blue Rock Thrush Monticola solitarius
Siberian Thrush Siberian Thrush Zoothera sibirica
White's Thrush White's Thrush Zoothera dauma
Varied Thrush Varied Thrush Zoothera naevia
Veery Veery Catharus fuscescens
Grey-cheeked Thrush Grey-cheeked Thrush Catharus minimus
Swainson's Thrush Swainson's Thrush Catharus ustulatus
Hermit Thrush Hermit Thrush Catharus guttatus
Wood Thrush Wood Thrush Hylocichla mustelina
Eyebrowed Thrush Eyebrowed Thrush Turdus obscurus
Dusky/Naumann's Thrush Dusky/Naumann's Thrush Turdus naumanni
American Robin American Robin Turdus migratorius
Pallas's Grasshopper Warbler Pallas's Grasshopper Warbler Locustella certhiola
River Warbler River Warbler Locustella fluviatilis
Moustached Warbler Moustached Warbler Acrocephalus melanopogon
Thick-billed Warbler Thick-billed Warbler Acrocephalus aedon
Eastern Olivaceous Warbler Eastern Olivaceous Warbler Hippolais pallida
Upcher's Warbler Upcher's Warbler Hippolais languida
Olive-tree Warbler Olive-tree Warbler Hippolais olivetorum
Zitting Cisticola Zitting Cisticola Cisticola juncidis
Graceful Warbler Graceful Warbler Prinia gracilis
Iberian Chiffchaff Iberian Chiffchaff Phylloscopus ibericus
Mountain Chiffchaff Mountain Chiffchaff Phylloscopus sindianus
Green Warbler Green Warbler Phylloscopus nitidus
Asian Desert Warbler Asian Desert Warbler Sylvia nana
Eastern Orphean Warbler Eastern Orphean Warbler Sylvia crassirostris
Rüppell's Warbler Rüppell's Warbler Sylvia rueppelli
Cyprus Warbler Cyprus Warbler Sylvia melanothorax
Ménétries's Warbler Ménétries's Warbler Sylvia mystacea
Spectacled Warbler Spectacled Warbler Sylvia conspicillata
Marmora's Warbler Marmora's Warbler Sylvia sarda
Eastern Bonelli's Warbler Eastern Bonelli's Warbler Phylloscopus orientalis
Brown Flycatcher Brown Flycatcher Muscicapa dauurica
Collared Flycatcher Collared Flycatcher Ficedula albicollis
Mugimaki Flycatcher Mugimaki Flycatcher Ficedula mugimaki
Semi-collared Flycatcher Semi-collared Flycatcher Ficedula semitorquata
Siberian Tit Siberian Tit Parus cinctus
Red-breasted Nuthatch Red-breasted Nuthatch Sitta canadensis
Wallcreeper Wallcreeper Tichodroma muraria
Short-toed Treecreeper Short-toed Treecreeper Certhia brachydactyla
Pine Bunting Pine Bunting Emberiza leucocephalos
Rock Bunting Rock Bunting Emberiza cia
Cretzschmar's Bunting Cretzschmar's Bunting Emberiza caesia
Yellow-browed Bunting Yellow-browed Bunting Emberiza chrysophrys
Red-headed Bunting Red-headed Bunting Emberiza bruniceps
Black-faced Bunting Black-faced Bunting Emberiza spodocephala
Pallas's Reed Bunting Pallas's Reed Bunting Emberiza pallasi
Fox Sparrow Fox Sparrow Passerella iliaca
Song Sparrow Song Sparrow Melospiza melodia
White-crowned Sparrow White-crowned Sparrow Zonotrichia leucophrys
White-throated Sparrow White-throated Sparrow Zonotrichia albicollis
Dark-eyed Junco Dark-eyed Junco Junco hyemalis
Savannah Sparrow Savannah Sparrow Passerculus sandwichensis
Lark Sparrow Lark Sparrow Chondestes grammacus
Eastern Towhee Eastern Towhee Pipilo erythrophthalmus
Rose-breasted Grosbeak Rose-breasted Grosbeak Pheucticus ludovicianus
Blue Grosbeak Blue Grosbeak Guiraca caerulea
Summer Tanager Summer Tanager Piranga rubra
Scarlet Tanager Scarlet Tanager Piranga olivacea
Black-and-white Warbler Black-and-white Warbler Mniotilta varia
Golden-winged Warbler Golden-winged Warbler Vermivora chrysoptera
Tennessee Warbler Tennessee Warbler Vermivora peregrina
Northern Parula Northern Parula Parula americana
Yellow Warbler Yellow Warbler Dendroica petechia
Chestnut-sided Warbler Chestnut-sided Warbler Dendroica pensylvanica
Cape May Warbler Cape May Warbler Dendroica tigrina
Blackburnian Warbler Blackburnian Warbler Dendroica fusca
Magnolia Warbler Magnolia Warbler Dendroica magnolia
Yellow-rumped Warbler Yellow-rumped Warbler Dendroica coronata
Palm Warbler Palm Warbler Dendroica palmarum
Blackpoll Warbler Blackpoll Warbler Dendroica striata
Bay-breasted Warbler Bay-breasted Warbler Dendroica castanea
American Redstart American Redstart Setophaga ruticilla
Ovenbird Ovenbird Seiurus aurocapilla
Northern Waterthrush Northern Waterthrush Seiurus noveboracensis
Common Yellowthroat Common Yellowthroat Geothlypis trichas
Hooded Warbler Hooded Warbler Wilsonia citrina
Wilson's Warbler Wilson's Warbler Wilsonia pusilla
Yellow-throated Vireo Yellow-throated Vireo Vireo flavifrons
Philadelphia Vireo Philadelphia Vireo Vireo philadelphicus
Baltimore Oriole Baltimore Oriole Icterus galbula
Brown-headed Cowbird Brown-headed Cowbird Molothrus ater
Bobolink Bobolink Dolichonyx oryzivorus
Citril Finch Citril Finch Serinus citrinella
Trumpeter Finch Trumpeter Finch Bucanetes githagineus
Pine Grosbeak Pine Grosbeak Pinicola enucleator
Evening Grosbeak Evening Grosbeak Hesperiphona vespertina
Rock Sparrow Rock Sparrow Petronia petronia
Snow Finch Snow Finch Montifringilla nivalis
Spotless Starling Spotless Starling Sturnus unicolor
Siberian Jay Siberian Jay Perisoreus infaustus
Nutcracker Nutcracker Nucifraga caryocatactes
Sykes's Warbler Sykes's Warbler Hippolais rama
Western Olivaceous Warbler Western Olivaceous Warbler Hippolais opaca
South Polar Skua South Polar Skua Catharacta maccormicki
Hudsonian Whimbrel Hudsonian Whimbrel Numenius phaeopus hudsonicus
Taiga Flycatcher Taiga Flycatcher Ficedula albicilla
Northern Cardinal Northern Cardinal Richmondena cardinalis
Black Lark Black Lark Melanocorypha yeltoniensis
Blue Jay Blue Jay Cyanocitta cristata
Olivaceous Warbler sp. Olivaceous Warbler sp. 
Ascension Frigatebird Ascension Frigatebird Fregata aquila
Steppe Grey Shrike Steppe Grey Shrike Lanius meridionalis pallidirostris
Basra Reed Warbler Basra Reed Warbler Acrocephalus griseldis
Snowy Egret Snowy Egret Egretta thula
Thayer's Gull Thayer's Gull Larus glaucoides thayeri
Purple Martin Purple Martin Progne subis
Macqueen's Bustard Macqueen's Bustard Chlamydotis macqueenii
Chestnut-eared Bunting Chestnut-eared Bunting Emberiza fucata
Rufous-tailed Robin Rufous-tailed Robin Luscinia sibilans
White-winged Scoter White-winged Scoter Melanitta deglandi
Macaronesian Shearwater Macaronesian Shearwater Puffinus baroli

Rare Rare

Species currently considered for acceptance by the British Birds Rarities Committee (or forms of equivalent rarity).

White-billed Diver White-billed Diver Gavia adamsii
Pied-billed Grebe Pied-billed Grebe Podilymbus podiceps
Fea's Petrel Fea's Petrel Pterodroma feae
Zino's/Fea's Petrel Zino's/Fea's Petrel Pterodroma madeira/feae
Cattle Egret Cattle Egret Bubulcus ibis
Squacco Heron Squacco Heron Ardeola ralloides
Little Bittern Little Bittern Ixobrychus minutus
Black Stork Black Stork Ciconia nigra
Glossy Ibis Glossy Ibis Plegadis falcinellus
Lesser White-fronted Goose Lesser White-fronted Goose Anser erythropus
Red-breasted Goose Red-breasted Goose Branta ruficollis
Baikal Teal Baikal Teal Anas formosa
Black Duck Black Duck Anas rubripes
Blue-winged Teal Blue-winged Teal Anas discors
Marbled Duck Marbled Duck Marmaronetta angustirostris
Lesser Scaup Lesser Scaup Aythya affinis
King Eider King Eider Somateria spectabilis
Black Scoter Black Scoter Melanitta americana
Whistling Swan Whistling Swan Cygnus columbianus columbianus
Gyr Falcon Gyr Falcon Falco rusticolus
Great Bustard Great Bustard Otis tarda
Black-winged Stilt Black-winged Stilt Himantopus himantopus
Collared Pratincole Collared Pratincole Glareola pratincola
Black-winged Pratincole Black-winged Pratincole Glareola nordmanni
Pacific Golden Plover Pacific Golden Plover Pluvialis fulva
Marsh Sandpiper Marsh Sandpiper Tringa stagnatilis
Greater Yellowlegs Greater Yellowlegs Tringa melanoleuca
Lesser Yellowlegs Lesser Yellowlegs Tringa flavipes
Terek Sandpiper Terek Sandpiper Xenus cinereus
Spotted Sandpiper Spotted Sandpiper Actitis macularius
Wilson's Phalarope Wilson's Phalarope Phalaropus tricolor
Great Snipe Great Snipe Gallinago media
Long-billed Dowitcher Long-billed Dowitcher Limnodromus scolopaceus
Semipalmated Sandpiper Semipalmated Sandpiper Calidris pusilla
Least Sandpiper Least Sandpiper Calidris minutilla
Baird's Sandpiper Baird's Sandpiper Calidris bairdii
Broad-billed Sandpiper Broad-billed Sandpiper Limicola falcinellus
Laughing Gull Laughing Gull Larus atricilla
Franklin's Gull Franklin's Gull Larus pipixcan
Bonaparte's Gull Bonaparte's Gull Larus philadelphia
Ross's Gull Ross's Gull Rhodostethia rosea
Whiskered Tern Whiskered Tern Chlidonias hybrida
Gull-billed Tern Gull-billed Tern Gelochelidon nilotica
Caspian Tern Caspian Tern Hydroprogne caspia
Forster's Tern Forster's Tern Sterna forsteri
American Herring Gull American Herring Gull Larus argentatus smithsonianus
Great Spotted Cuckoo Great Spotted Cuckoo Clamator glandarius
Snowy Owl Snowy Owl Bubo scandiaca
Pallid Swift Pallid Swift Apus pallidus
Black-headed Wagtail Black-headed Wagtail Motacilla flava feldegg
Citrine Wagtail Citrine Wagtail Motacilla citreola
Olive-backed Pipit Olive-backed Pipit Anthus hodgsoni
Pechora Pipit Pechora Pipit Anthus gustavi
Lesser Grey Shrike Lesser Grey Shrike Lanius minor
Isabelline Shrike Isabelline Shrike Lanius isabellinus
Thrush Nightingale Thrush Nightingale Luscinia luscinia
Pied Wheatear Pied Wheatear Oenanthe pleschanka
Black-eared Wheatear Black-eared Wheatear Oenanthe hispanica
Desert Wheatear Desert Wheatear Oenanthe deserti
Dark-throated Thrush Dark-throated Thrush Turdus ruficollis
Siberian Stonechat Siberian Stonechat Saxicola torquata maurus/stejnegeri
Lanceolated Warbler Lanceolated Warbler Locustella lanceolata
Savi's Warbler Savi's Warbler Locustella luscinioides
Paddyfield Warbler Paddyfield Warbler Acrocephalus agricola
Blyth's Reed Warbler Blyth's Reed Warbler Acrocephalus dumetorum
Great Reed Warbler Great Reed Warbler Acrocephalus arundinaceus
Booted Warbler Booted Warbler Hippolais caligata
Western Bonelli's Warbler Western Bonelli's Warbler Phylloscopus bonelli
Arctic Warbler Arctic Warbler Phylloscopus borealis
Desert Lesser Whitethroat Desert Lesser Whitethroat Sylvia curruca minula/margelanica
Sardinian Warbler Sardinian Warbler Sylvia melanocephala
Hume's Leaf Warbler Hume's Leaf Warbler Phylloscopus humei
Penduline Tit Penduline Tit Remiz pendulinus
Yellow-breasted Bunting Yellow-breasted Bunting Emberiza aureola
Black-headed Bunting Black-headed Bunting Emberiza melanocephala
Red-eyed Vireo Red-eyed Vireo Vireo olivaceus
Parrot Crossbill Parrot Crossbill Loxia pytyopsittacus
Two-barred Crossbill Two-barred Crossbill Loxia leucoptera
Spanish Sparrow Spanish Sparrow Passer hispaniolensis
Dark-breasted Barn Owl Dark-breasted Barn Owl Tyto alba guttata
Pied/Black-eared Wheatear