What animals are recorded in May?
Species whose observations peak in May. For migrants and short-lived adults this is a genuine season; for others it mostly reflects when people are outside looking.
Source: GBIF CC0 occurrence facets · refreshed 2026-08-23 · peak month is calculated from 12 GBIF occurrence facets; it is not a migration or abundance claim.
Great Tit
Parus major · peaks in May · 2,468,098 records
Eurasian Blackbird
Turdus merula · peaks in May · 1,832,449 records
European Starling
Sturnus vulgaris · peaks in May · 1,403,454 records
Gray
Ardea cinerea · peaks in May · 1,198,381 records
Eurasian Blackcap
Sylvia atricapilla · peaks in May · 1,107,093 records
Mew Gull
Larus canus · peaks in May · 986,748 records
Common Swift
Apus apus · peaks in May · 686,478 records
Greater Whitethroat
Sylvia communis · peaks in May · 577,981 records
Barnacle Goose
Branta leucopsis · peaks in May · 566,884 records
Common Redshank
Tringa totanus · peaks in May · 565,525 records
Common Greenshank
Tringa nebularia · peaks in May · 534,746 records
Garden Warbler
Sylvia borin · peaks in May · 521,449 records
Common Tern
Sterna hirundo · peaks in May · 519,969 records
Western Yellow Wagtail
Motacilla flava · peaks in May · 497,668 records
Tree Pipit
Anthus trivialis · peaks in May · 497,458 records
Common Redstart
Phoenicurus phoenicurus · peaks in May · 481,982 records
Wood Sandpiper
Tringa glareola · peaks in May · 479,652 records
Common Eider
Somateria mollissima · peaks in May · 474,313 records
Common Sandpiper
Actitis hypoleucos · peaks in May · 468,618 records
Common Cuckoo
Cuculus canorus · peaks in May · 459,629 records
Lesser Whitethroat
Sylvia curruca · peaks in May · 457,738 records
Northern Wheatear
Oenanthe oenanthe · peaks in May · 453,846 records
Ruff
Calidris pugnax · peaks in May · 439,135 records
Sedge Warbler
Acrocephalus schoenobaenus · peaks in May · 428,527 records
Red-breasted Merganser
Mergus serrator · peaks in May · 428,335 records
Eurasian Collared-Dove
Streptopelia decaocto · peaks in May · 416,472 records
Common House-Martin
Delichon urbicum · peaks in May · 400,052 records
Whinchat
Saxicola rubetra · peaks in May · 360,428 records
Eurasian Hobby
Falco subbuteo · peaks in May · 319,901 records
Spotted Flycatcher
Muscicapa striata · peaks in May · 293,194 records
Horned Grebe
Podiceps auritus · peaks in May · 255,926 records
White-winged Scoter
Melanitta fusca · peaks in May · 235,592 records
Bank Swallow
Riparia riparia · peaks in May · 233,854 records
Arctic Tern
Sterna paradisaea · peaks in May · 232,790 records
Wood Warbler
Phylloscopus sibillatrix · peaks in May · 222,615 records
Pied Avocet
Recurvirostra avosetta · peaks in May · 204,548 records
Little Gull
Hydrocoloeus minutus · peaks in May · 200,388 records
Garganey
Spatula querquedula · peaks in May · 181,129 records
Great Bittern
Botaurus stellaris · peaks in May · 180,028 records
Common Grasshopper-Warbler
Locustella naevia · peaks in May · 163,201 records
Common Rosefinch
Carpodacus erythrinus · peaks in May · 160,796 records
Whimbrel
Numenius phaeopus · peaks in May · 159,913 records
Temminck's Stint
Calidris temminckii · peaks in May · 129,093 records
Gray Partridge
Perdix perdix · peaks in May · 128,073 records
Ruddy Turnstone
Arenaria interpres · peaks in May · 114,213 records
White Stork
Ciconia ciconia · peaks in May · 107,683 records
Orange-tip
Anthocharis cardamines · peaks in May · 107,377 records
Parasitic Jaeger
Stercorarius parasiticus · peaks in May · 97,476 records
Little Tern
Sternula albifrons · peaks in May · 93,379 records
Blue crab
Callinectes sapidus · peaks in May · 81,411 records
Great Reed Warbler
Acrocephalus arundinaceus · peaks in May · 74,269 records
red fox
Vulpes vulpes · peaks in May · 66,702 records
Red-breasted Flycatcher
Ficedula parva · peaks in May · 65,496 records
Eurasian Golden Oriole
Oriolus oriolus · peaks in May · 55,555 records
European Serin
Serinus serinus · peaks in May · 52,585 records
Common Nightingale
Luscinia megarhynchos · peaks in May · 51,279 records
Red-necked Phalarope
Phalaropus lobatus · peaks in May · 48,466 records
European hare
Lepus europaeus · peaks in May · 46,092 records
Green Hairstreak
Callophrys rubi · peaks in May · 44,633 records
wild boar
Sus scrofa · peaks in May · 42,605 records
Common Yellowthroat
Geothlypis trichas · peaks in May · 42,122 records
Wilson's Warbler
Cardellina pusilla · peaks in May · 38,690 records
European Turtle-Dove
Streptopelia turtur · peaks in May · 38,534 records
Largehead hairtail
Trichiurus lepturus · peaks in May · 35,555 records
Common Pipistrelle
Pipistrellus pipistrellus · peaks in May · 33,835 records
(Great or Northern) Crested Newt
Triturus cristatus · peaks in May · 27,162 records
Baltimore Oriole
Icterus galbula · peaks in May · 26,550 records
moose
Alces alces · peaks in May · 26,049 records
Wood White
Leptidea sinapis · peaks in May · 22,590 records
Indigo Bunting
Passerina cyanea · peaks in May · 21,075 records
Northern Waterthrush
Parkesia noveboracensis · peaks in May · 20,376 records
Black-crowned Night-Heron
Nycticorax nycticorax · peaks in May · 20,263 records
Black-and-white Warbler
Mniotilta varia · peaks in May · 19,627 records
Large-billed Crow
Corvus macrorhynchos · peaks in May · 19,302 records
saddle wrasse
Thalassoma duperrey · peaks in May · 18,996 records
Pacific Golden-Plover
Pluvialis fulva · peaks in May · 18,364 records
Slow worm
Anguis fragilis · peaks in May · 17,367 records
Clausocalanus furcatus
peaks in May · 17,204 records
European Bee-eater
Merops apiaster · peaks in May · 17,186 records
Tawny Pipit
Anthus campestris · peaks in May · 17,144 records
Pool Frog
Pelophylax lessonae · peaks in May · 16,132 records
Flagfin mojarra
Eucinostomus melanopterus · peaks in May · 15,860 records
Vinous-throated Parrotbill
Sinosuthora webbiana · peaks in May · 15,394 records
Whitecheek surgeonfish
Acanthurus nigricans · peaks in May · 15,374 records
Crested Lark
Galerida cristata · peaks in May · 15,051 records
Lesser Yellowlegs
Tringa flavipes · peaks in May · 13,653 records
Black-winged Stilt
Himantopus himantopus · peaks in May · 13,282 records
Citrine Wagtail
Motacilla citreola · peaks in May · 13,220 records
Magnolia Warbler
Setophaga magnolia · peaks in May · 12,919 records
Black-throated Blue Warbler
Setophaga caerulescens · peaks in May · 12,464 records
Roman Snail
Helix pomatia · peaks in May · 12,161 records
Sand lizard
Lacerta agilis · peaks in May · 11,884 records
Common Tree Frog
Hyla arborea · peaks in May · 11,504 records
Solitary Sandpiper
Tringa solitaria · peaks in May · 11,479 records
Kentish Plover
Charadrius alexandrinus · peaks in May · 11,475 records
Blackpoll Warbler
Setophaga striata · peaks in May · 10,947 records
Northern Parula
Setophaga americana · peaks in May · 10,780 records
Cirl Bunting
Emberiza cirlus · peaks in May · 10,104 records
Summer Tanager
Piranga rubra · peaks in May · 9,970 records
White-winged Tern
Chlidonias leucopterus · peaks in May · 9,938 records
Azure-winged Magpie
Cyanopica cyanus · peaks in May · 9,931 records
Orchard Oriole
Icterus spurius · peaks in May · 9,906 records
red deer
Cervus elaphus · peaks in May · 9,657 records
Black-necked Stilt
Himantopus mexicanus · peaks in May · 9,571 records
American Redstart
Setophaga ruticilla · peaks in May · 9,358 records
Chub mackerel
Scomber japonicus · peaks in May · 9,312 records
Oriental Greenfinch
Chloris sinica · peaks in May · 8,918 records
Field Cricket
Gryllus campestris · peaks in May · 8,745 records
Common House Gecko
Hemidactylus frenatus · peaks in May · 8,148 records
Sardinian Warbler
Curruca melanocephala · peaks in May · 8,032 records
Woodchat Shrike
Lanius senator · peaks in May · 7,803 records
Pacific herring
Clupea pallasii · peaks in May · 7,801 records
Bananaquit
Coereba flaveola · peaks in May · 7,737 records
Bicolor chromis
Chromis margaritifer · peaks in May · 7,728 records
Semipalmated Plover
Charadrius semipalmatus · peaks in May · 7,511 records
Pale Thrush
Turdus pallidus · peaks in May · 7,418 records
Blackburnian Warbler
Setophaga fusca · peaks in May · 7,298 records
Western Bonelli's Warbler
Phylloscopus bonelli · peaks in May · 7,268 records
African Stonechat
Saxicola torquatus · peaks in May · 7,147 records
Zitting Cisticola
Cisticola juncidis · peaks in May · 7,109 records