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.
Mallard
Anas platyrhynchos · peaks in May · 29,620,436 records
American Robin
Turdus migratorius · peaks in May · 29,397,473 records
American Crow
Corvus brachyrhynchos · peaks in May · 29,071,260 records
European Starling
Sturnus vulgaris · peaks in May · 28,289,625 records
Mourning Dove
Zenaida macroura · peaks in May · 27,321,252 records
Northern Cardinal
Cardinalis cardinalis · peaks in May · 27,190,758 records
House Sparrow
Passer domesticus · peaks in May · 25,798,577 records
Blue Jay
Cyanocitta cristata · peaks in May · 24,083,169 records
Canada Goose (canadensis Group)
Branta canadensis · peaks in May · 23,289,894 records
Song Sparrow
Melospiza melodia · peaks in May · 22,454,504 records
Red-winged Blackbird
Agelaius phoeniceus · peaks in May · 21,105,000 records
American Goldfinch
Spinus tristis · peaks in May · 20,293,559 records
House Finch
Haemorhous mexicanus · peaks in May · 19,215,824 records
Downy Woodpecker
Dryobates pubescens · peaks in May · 19,063,037 records
Black-capped Chickadee
Poecile atricapillus · peaks in May · 18,772,803 records
Turkey Vulture
Cathartes aura · peaks in May · 17,636,369 records
Barn Swallow
Hirundo rustica · peaks in May · 17,465,465 records
Red-bellied Woodpecker
Melanerpes carolinus · peaks in May · 15,440,425 records
Northern Flicker
Colaptes auratus · peaks in May · 15,018,786 records
White-breasted Nuthatch
Sitta carolinensis · peaks in May · 14,322,828 records
Great Blue
Ardea herodias · peaks in May · 14,190,794 records
Eurasian Blackbird
Turdus merula · peaks in May · 13,434,881 records
Tufted Titmouse
Baeolophus bicolor · peaks in May · 13,287,611 records
Carolina Wren
Thryothorus ludovicianus · peaks in May · 12,910,012 records
Yellow-rumped Warbler
Setophaga coronata · peaks in May · 12,365,436 records
Common Grackle
Quiscalus quiscula · peaks in May · 12,355,884 records
Common Raven
Corvus corax · peaks in May · 12,289,271 records
Double-crested Cormorant
Phalacrocorax auritus · peaks in May · 10,546,537 records
Common Chaffinch
Fringilla coelebs · peaks in May · 10,325,673 records
Killdeer
Charadrius vociferus · peaks in May · 9,887,792 records
Eurasian Collared-Dove
Streptopelia decaocto · peaks in May · 9,620,045 records
Gray Catbird
Dumetella carolinensis · peaks in May · 9,413,807 records
Common Wood-Pigeon
Columba palumbus · peaks in May · 9,383,104 records
Chipping Sparrow
Spizella passerina · peaks in May · 8,995,098 records
Common Yellowthroat
Geothlypis trichas · peaks in May · 8,526,906 records
Brown-headed Cowbird
Molothrus ater · peaks in May · 8,427,781 records
Tree Swallow
Tachycineta bicolor · peaks in May · 8,338,293 records
Eastern Bluebird
Sialia sialis · peaks in May · 8,080,916 records
Bald Eagle
Haliaeetus leucocephalus · peaks in May · 7,794,276 records
Hairy Woodpecker
Leuconotopicus villosus · peaks in May · 7,537,149 records
Eastern Phoebe
Sayornis phoebe · peaks in May · 7,255,987 records
Yellow Warbler
Setophaga petechia · peaks in May · 7,057,208 records
White-crowned Sparrow
Zonotrichia leucophrys · peaks in May · 6,696,231 records
House Wren
Troglodytes aedon · peaks in May · 6,609,067 records
Eurasian Blackcap
Sylvia atricapilla · peaks in May · 6,462,929 records
Red-eyed Vireo
Vireo olivaceus · peaks in May · 5,913,907 records
Red-breasted Nuthatch
Sitta canadensis · peaks in May · 5,798,266 records
Carrion Crow
Corvus corone · peaks in May · 5,714,746 records
Blue-gray Gnatcatcher
Polioptila caerulea · peaks in May · 5,513,505 records
Eastern Towhee
Pipilo erythrophthalmus · peaks in May · 5,395,624 records
Pileated Woodpecker
Dryocopus pileatus · peaks in May · 5,375,192 records
Willow Warbler
Phylloscopus trochilus · peaks in May · 5,166,897 records
Western Jackdaw
Coloeus monedula · peaks in May · 4,777,982 records
Ruby-throated Hummingbird
Archilochus colubris · peaks in May · 4,599,021 records
Baltimore Oriole
Icterus galbula · peaks in May · 4,297,702 records
Lesser Goldfinch
Spinus psaltria · peaks in May · 4,255,102 records
Savannah Sparrow
Passerculus sandwichensis · peaks in May · 4,160,099 records
American Redstart
Setophaga ruticilla · peaks in May · 4,106,632 records
Indigo Bunting
Passerina cyanea · peaks in May · 3,988,074 records
Spotted Sandpiper
Actitis macularius · peaks in May · 3,705,538 records
Eurasian Skylark
Alauda arvensis · peaks in May · 3,696,360 records
Reed Bunting
Emberiza schoeniclus · peaks in May · 3,634,244 records
Pine Siskin
Spinus pinus · peaks in May · 3,629,152 records
Black-and-white Warbler
Mniotilta varia · peaks in May · 3,470,731 records
Yellowhammer
Emberiza citrinella · peaks in May · 3,450,639 records
Ring-necked Pheasant
Phasianus colchicus · peaks in May · 3,424,381 records
Dunlin
Calidris alpina · peaks in May · 3,411,736 records
Green
Butorides virescens · peaks in May · 3,378,397 records
Swamp Sparrow
Melospiza georgiana · peaks in May · 3,334,728 records
Northern Rough-winged Swallow
Stelgidopteryx serripennis · peaks in May · 3,240,158 records
Black-crowned Night-Heron
Nycticorax nycticorax · peaks in May · 3,144,853 records
Common Swift
Apus apus · peaks in May · 3,081,538 records
Common Tern
Sterna hirundo · peaks in May · 3,066,457 records
Northern Parula
Setophaga americana · peaks in May · 3,022,087 records
Orange-crowned Warbler
Leiothlypis celata · peaks in May · 2,986,831 records
Pine Warbler
Setophaga pinus · peaks in May · 2,959,962 records
Purple Finch
Haemorhous purpureus · peaks in May · 2,923,185 records
Common Redshank
Tringa totanus · peaks in May · 2,867,856 records
Palm Warbler
Setophaga palmarum · peaks in May · 2,863,229 records
Common Sandpiper
Actitis hypoleucos · peaks in May · 2,821,516 records
Ovenbird
Seiurus aurocapilla · peaks in May · 2,785,836 records
European roe deer
Capreolus capreolus · peaks in May · 2,759,754 records
Common Eider
Somateria mollissima · peaks in May · 2,738,861 records
Common House-Martin
Delichon urbicum · peaks in May · 2,581,206 records
Caspian Tern
Hydroprogne caspia · peaks in May · 2,538,144 records
Black Redstart
Phoenicurus ochruros · peaks in May · 2,495,431 records
Bank Swallow
Riparia riparia · peaks in May · 2,485,577 records
Greater Whitethroat
Sylvia communis · peaks in May · 2,379,909 records
Wilson's Warbler
Cardellina pusilla · peaks in May · 2,251,507 records
Ruddy Turnstone
Arenaria interpres · peaks in May · 2,199,527 records
Black-throated Green Warbler
Setophaga virens · peaks in May · 2,118,546 records
Western Yellow Wagtail
Motacilla flava · peaks in May · 2,091,187 records
Willet
Tringa semipalmata · peaks in May · 2,072,735 records
Common Cuckoo
Cuculus canorus · peaks in May · 2,070,184 records
Horned Lark
Eremophila alpestris · peaks in May · 2,050,811 records
red fox
Vulpes vulpes · peaks in May · 2,011,845 records
Magnolia Warbler
Setophaga magnolia · peaks in May · 1,975,925 records
Chestnut-sided Warbler
Setophaga pensylvanica · peaks in May · 1,949,696 records
Summer Tanager
Piranga rubra · peaks in May · 1,936,366 records
White Stork
Ciconia ciconia · peaks in May · 1,899,647 records
Yellow-legged Gull
Larus michahellis · peaks in May · 1,831,498 records
Acorn Woodpecker
Melanerpes formicivorus · peaks in May · 1,830,305 records
European Serin
Serinus serinus · peaks in May · 1,789,594 records
Northern Wheatear
Oenanthe oenanthe · peaks in May · 1,786,621 records
Garden Warbler
Sylvia borin · peaks in May · 1,762,385 records
Common Redstart
Phoenicurus phoenicurus · peaks in May · 1,743,855 records
Whimbrel
Numenius phaeopus · peaks in May · 1,737,192 records
Tree Pipit
Anthus trivialis · peaks in May · 1,610,315 records
Wood Sandpiper
Tringa glareola · peaks in May · 1,608,859 records
Eurasian Griffon
Gyps fulvus · peaks in May · 1,608,117 records
Tennessee Warbler
Leiothlypis peregrina · peaks in May · 1,603,328 records
Barnacle Goose
Branta leucopsis · peaks in May · 1,585,717 records
California Quail
Callipepla californica · peaks in May · 1,486,291 records
Glossy Ibis
Plegadis falcinellus · peaks in May · 1,477,613 records
Orange-tip
Anthocharis cardamines · peaks in May · 1,467,403 records
Northern Waterthrush
Parkesia noveboracensis · peaks in May · 1,439,317 records
Orchard Oriole
Icterus spurius · peaks in May · 1,439,013 records
Lesser Whitethroat
Sylvia curruca · peaks in May · 1,397,175 records
Spotted Flycatcher
Muscicapa striata · peaks in May · 1,363,641 records
Eurasian Spoonbill
Platalea leucorodia · peaks in May · 1,325,337 records