List for May (North America)
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Regions:
- All
- Ukraine
- Kyiv
- Brovary
- Kyiv oblast
- Chernihiv oblast
- Zhytomyr oblast
- Poltava oblast
- Lviv oblast
- Kherson oblast
- Zaporizhzhia oblast
- Arabat Spit
- Crimea
- United Kingdom
- Poland
- Germany
- Netherlands
- Europe
- North America
- United States
- New York
- Texas
- Arizona
- Florida
- Canada
- Manitoba
- Winnipeg
- Ontario
- Saskatchewan
- Alberta
- Vancouver
| Order by: Taxonomy | First encounter | Last encounter | Count | ||
|---|---|---|---|---|---|
First encounter in 2026: |
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| 217. | Bohemian Waxwing Bombycilla garrulus | — Date: — | Encounters: 1 | ||
First encounter in 2025: |
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| 216. | Nelson's Sparrow Ammospiza nelsoni | — Date: — | Encounters: 1 | ||
| 215. | Grey Plover Pluvialis squatarola | — Date: — | Encounters: 1 | ||
First encounter in 2023: |
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| 214. | Red-bellied Woodpecker Melanerpes carolinus | — Date: — | Encounters: 1 | ||
| 213. | Sanderling Calidris alba | First: | Last: | Encounters: 2 | |
| 212. | Scarlet Tanager Piranga olivacea | — Date: — | Encounters: 1 | ||
First encounter in 2022: |
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| 211. | Yellow-throated Vireo Vireo flavifrons | First: | Last: | Encounters: 6 | |
| 210. | Rusty Blackbird Euphagus carolinus | — Date: — | Encounters: 1 | ||
| 209. | Redpoll Acanthis flammea | — Date: — | Encounters: 1 | ||
First encounter in 2021: |
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| 208. | Orchard Oriole Icterus spurius | First: | Last: | Encounters: 3 | |
| 207. | Black-billed Cuckoo Coccyzus erythropthalmus | — Date: — | Encounters: 1 | ||
| 206. | Red-necked Phalarope Phalaropus lobatus | — Date: — | Encounters: 1 | ||
| 205. | Eared Grebe Podiceps nigricollis | First: | Last: | Encounters: 6 | |
| 204. | Philadelphia Vireo Vireo philadelphicus | First: | Last: | Encounters: 9 | |
| 203. | American Woodcock Scolopax minor | — Date: — | Encounters: 1 | ||
First encounter in 2020: |
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| 202. | Brown Thrasher Toxostoma rufum | First: | Last: | Encounters: 3 | |
| 201. | Red-headed Woodpecker Melanerpes erythrocephalus | First: | Last: | Encounters: 7 | |
| 200. | Yellow-bellied Flycatcher Empidonax flaviventris | First: | Last: | Encounters: 6 | |
| 199. | Baird's Sandpiper Calidris bairdii | First: | Last: | Encounters: 2 | |
| 198. | Eastern Towhee Pipilo erythrophthalmus | First: | Last: | Encounters: 3 | |
First encounter in 2019: |
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| 197. | Black Scoter Melanitta americana | — Date: — | Encounters: 1 | ||
First encounter in 2018: |
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| 196. | Alder Flycatcher Empidonax alnorum | First: | Last: | Encounters: 2 | |
| 195. | Virginia Rail Rallus limicola | First: | Last: | Encounters: 2 | |
| 194. | Great White Egret Ardea alba | First: | Last: | Encounters: 7 | |
| 193. | Ruby-throated Hummingbird Archilochus colubris | First: | Last: | Encounters: 16 | |
| 192. | Indigo Bunting Passerina cyanea | First: | Last: | Encounters: 6 | |
| 191. | Eastern Wood-Pewee Contopus virens | First: | Last: | Encounters: 2 | |
| 190. | Wild Turkey Meleagris gallopavo | First: | Last: | Encounters: 3 | |
| 189. | Mourning Warbler Geothlypis philadelphia | First: | Last: | Encounters: 4 | |
| 188. | Sharp-tailed Grouse Tympanuchus phasianellus | First: | Last: | Encounters: 7 | |
| 187. | Pectoral Sandpiper Calidris melanotos | First: | Last: | Encounters: 3 | |
| 186. | White-rumped Sandpiper Calidris fuscicollis | First: | Last: | Encounters: 3 | |
| 185. | Semipalmated Plover Charadrius semipalmatus | First: | Last: | Encounters: 6 | |
| 184. | Ruddy Turnstone Arenaria interpres | First: | Last: | Encounters: 2 | |
| 183. | Great Crested Flycatcher Myiarchus crinitus | First: | Last: | Encounters: 23 | |
| 182. | Semipalmated Sandpiper Calidris pusilla | First: | Last: | Encounters: 5 | |
| 181. | Dunlin Calidris alpina | First: | Last: | Encounters: 4 | |
| 180. | Stilt Sandpiper Calidris himantopus | First: | Last: | Encounters: 3 | |
| 179. | Short-billed Dowitcher Limnodromus griseus | First: | Last: | Encounters: 5 | |
| 178. | Blackburnian Warbler Setophaga fusca | First: | Last: | Encounters: 16 | |
| 177. | Canada Warbler Cardellina canadensis | First: | Last: | Encounters: 6 | |
| 176. | Western Kingbird Tyrannus verticalis | First: | Last: | Encounters: 3 | |
| 175. | Snow Goose Anser caerulescens | First: | Last: | Encounters: 3 | |
| 174. | Gray Partridge Perdix perdix | First: | Last: | Encounters: 19 | |
| 173. | Winter Wren Troglodytes hiemalis | First: | Last: | Encounters: 4 | |
| 172. | Greater Yellowlegs Tringa melanoleuca | First: | Last: | Encounters: 16 | |
| 171. | Greater Scaup Aythya marila | First: | Last: | Encounters: 5 | |
First encounter in 2017: |
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| 170. | Great Horned Owl Bubo virginianus | First: | Last: | Encounters: 20 | |
| 169. | Lark Sparrow Chondestes grammacus | First: | Last: | Encounters: 8 | |
| 168. | Common Nighthawk Chordeiles minor | First: | Last: | Encounters: 13 | |
| 167. | Golden-winged Warbler Vermivora chrysoptera | First: | Last: | Encounters: 4 | |
| 166. | Black-throated Green Warbler Setophaga virens | First: | Last: | Encounters: 5 | |
| 165. | Sedge Wren Cistothorus stellaris | First: | Last: | Encounters: 11 | |
| 164. | Trumpeter Swan Cygnus buccinator | First: | Last: | Encounters: 8 | |
| 163. | House Finch Haemorhous mexicanus | First: | Last: | Encounters: 179 | |
| 162. | Sandhill Crane Antigone canadensis | First: | Last: | Encounters: 10 | |
| 161. | Cackling Goose Branta hutchinsii | First: | Last: | Encounters: 3 | |
| 160. | Fox Sparrow Passerella iliaca | First: | Last: | Encounters: 9 | |
First encounter in 2016: |
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| 159. | Eastern Warbling Vireo Vireo gilvus | First: | Last: | Encounters: 20 | |
| 158. | Cedar Waxwing Bombycilla cedrorum | First: | Last: | Encounters: 16 | |
| 157. | Canada Jay Perisoreus canadensis | — Date: — | Encounters: 1 | ||
| 156. | Upland Sandpiper Bartramia longicauda | First: | Last: | Encounters: 3 | |
| 155. | Western Grebe Aechmophorus occidentalis | First: | Last: | Encounters: 8 | |
| 154. | Hudsonian Godwit Limosa haemastica | First: | Last: | Encounters: 7 | |
| 153. | Brewer's Blackbird Euphagus cyanocephalus | First: | Last: | Encounters: 13 | |
| 152. | Marsh Wren Cistothorus palustris | First: | Last: | Encounters: 32 | |
| 151. | Red-tailed Hawk Buteo jamaicensis | First: | Last: | Encounters: 37 | |
| 150. | American Tree Sparrow Spizelloides arborea | First: | Last: | Encounters: 9 | |
First encounter in 2015: |
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| 149. | American Kestrel Falco sparverius | First: | Last: | Encounters: 36 | |
| 148. | American Avocet Recurvirostra americana | First: | Last: | Encounters: 9 | |
| 147. | Black Tern Chlidonias niger | First: | Last: | Encounters: 8 | |
| 146. | Purple Martin Progne subis | First: | Last: | Encounters: 32 | |
| 145. | Bobolink Dolichonyx oryzivorus | First: | Last: | Encounters: 11 | |
| 144. | American Bittern Botaurus lentiginosus | First: | Last: | Encounters: 7 | |
| 143. | Northern Pintail Anas acuta | First: | Last: | Encounters: 5 | |
| 142. | Wilson's Snipe Gallinago delicata | First: | Last: | Encounters: 38 | |
| 141. | Bay-breasted Warbler Setophaga castanea | First: | Last: | Encounters: 18 | |
| 140. | Chimney Swift Chaetura pelagica | First: | Last: | Encounters: 12 | |
| 139. | Cliff Swallow Petrochelidon pyrrhonota | First: | Last: | Encounters: 29 | |
| 138. | Red-eyed Vireo Vireo olivaceus | First: | Last: | Encounters: 46 | |
| 137. | Forster's Tern Sterna forsteri | First: | Last: | Encounters: 16 | |
| 136. | Common Tern Sterna hirundo | First: | Last: | Encounters: 5 | |
| 135. | Common Goldeneye Bucephala clangula | First: | Last: | Encounters: 36 | |
| 134. | Eastern Kingbird Tyrannus tyrannus | First: | Last: | Encounters: 41 | |
| 133. | Lincoln's Sparrow Melospiza lincolnii | First: | Last: | Encounters: 52 | |
| 132. | Caspian Tern Hydroprogne caspia | First: | Last: | Encounters: 16 | |
| 131. | Veery Catharus fuscescens | First: | Last: | Encounters: 18 | |
| 130. | LeConte's Sparrow Ammospiza leconteii | — Date: — | Encounters: 1 | ||
| 129. | Chestnut-sided Warbler Setophaga pensylvanica | First: | Last: | Encounters: 32 | |
| 128. | Bank Swallow Riparia riparia | First: | Last: | Encounters: 44 | |
| 127. | Harris's Sparrow Zonotrichia querula | First: | Last: | Encounters: 69 | |
| 126. | Cape May Warbler Setophaga tigrina | First: | Last: | Encounters: 26 | |
| 125. | Northern House Wren Troglodytes aedon | First: | Last: | Encounters: 54 | |
| 124. | Blackpoll Warbler Setophaga striata | First: | Last: | Encounters: 37 | |
| 123. | Northern Yellow Warbler Setophaga aestiva | First: | Last: | Encounters: 152 | |
| 122. | Wilson's Warbler Cardellina pusilla | First: | Last: | Encounters: 27 | |
| 121. | Tennessee Warbler Leiothlypis peregrina | First: | Last: | Encounters: 84 | |
| 120. | Rose-breasted Grosbeak Pheucticus ludovicianus | First: | Last: | Encounters: 46 | |
| 119. | American Redstart Setophaga ruticilla | First: | Last: | Encounters: 100 | |
| 118. | Magnolia Warbler Setophaga magnolia | First: | Last: | Encounters: 43 | |
| 117. | Snowy Egret Egretta thula | First: | Last: | Encounters: 2 | |
| 116. | Blue-headed Vireo Vireo solitarius | First: | Last: | Encounters: 30 | |
| 115. | Golden-crowned Kinglet Regulus satrapa | First: | Last: | Encounters: 8 | |
| 114. | Least Flycatcher Empidonax minimus | First: | Last: | Encounters: 119 | |
| 113. | Swainson's Thrush Catharus ustulatus | First: | Last: | Encounters: 109 | |
| 112. | Olive-sided Flycatcher Contopus cooperi | First: | Last: | Encounters: 9 | |
| 111. | Northern Shoveler Spatula clypeata | First: | Last: | Encounters: 135 | |
| 110. | American White Pelican Pelecanus erythrorhynchos | First: | Last: | Encounters: 86 | |
| 109. | Marbled Godwit Limosa fedoa | First: | Last: | Encounters: 15 | |
| 108. | Redhead Aythya americana | First: | Last: | Encounters: 31 | |
| 107. | Rough-legged Buzzard Buteo lagopus | First: | Last: | Encounters: 2 | |
| 106. | Clay-colored Sparrow Spizella pallida | First: | Last: | Encounters: 206 | |
| 105. | Northern Harrier Circus hudsonius | First: | Last: | Encounters: 35 | |
| 104. | Gadwall Mareca strepera | First: | Last: | Encounters: 41 | |
| 103. | American Wigeon Mareca americana | First: | Last: | Encounters: 17 | |
| 102. | Willet Tringa semipalmata | First: | Last: | Encounters: 13 | |
| 101. | Tundra Swan Cygnus columbianus | First: | Last: | Encounters: 9 | |
| 100. | Swamp Sparrow Melospiza georgiana | First: | Last: | Encounters: 35 | |
| 99. | Boreal Chickadee Poecile hudsonicus | — Date: — | Encounters: 1 | ||
| 98. | Black-and-white Warbler Mniotilta varia | First: | Last: | Encounters: 57 | |
| 97. | Ovenbird Seiurus aurocapilla | First: | Last: | Encounters: 68 | |
| 96. | Gray-cheeked Thrush Catharus minimus | First: | Last: | Encounters: 11 | |
| 95. | Nashville Warbler Leiothlypis ruficapilla | First: | Last: | Encounters: 62 | |
| 94. | Pine Siskin Spinus pinus | First: | Last: | Encounters: 96 | |
| 93. | Solitary Sandpiper Tringa solitaria | First: | Last: | Encounters: 13 | |
| 92. | Orange-crowned Warbler Leiothlypis celata | First: | Last: | Encounters: 80 | |
| 91. | Peregrine Falcon Falco peregrinus | First: | Last: | Encounters: 7 | |
| 90. | Swainson's Hawk Buteo swainsoni | First: | Last: | Encounters: 57 | |
| 89. | Palm Warbler Setophaga palmarum | First: | Last: | Encounters: 120 | |
| 88. | Red-necked Grebe Podiceps grisegena | First: | Last: | Encounters: 33 | |
| 87. | Downy Woodpecker Dryobates pubescens | First: | Last: | Encounters: 96 | |
| 86. | Northern Waterthrush Parkesia noveboracensis | First: | Last: | Encounters: 27 | |
| 85. | Ruby-crowned Kinglet Corthylio calendula | First: | Last: | Encounters: 151 | |
| 84. | Sora Porzana carolina | First: | Last: | Encounters: 29 | |
| 83. | Yellow-bellied Sapsucker Sphyrapicus varius | First: | Last: | Encounters: 47 | |
| 82. | Sharp-shinned Hawk Accipiter striatus | First: | Last: | Encounters: 2 | |
| 81. | Western Meadowlark Sturnella neglecta | First: | Last: | Encounters: 151 | |
| 80. | Vesper Sparrow Pooecetes gramineus | First: | Last: | Encounters: 6 | |
| 79. | Killdeer Charadrius vociferus | First: | Last: | Encounters: 207 | |
| 78. | Bald Eagle Haliaeetus leucocephalus | First: | Last: | Encounters: 37 | |
| 77. | Canvasback Aythya valisineria | First: | Last: | Encounters: 190 | |
| 76. | Savannah Sparrow Passerculus sandwichensis | First: | Last: | Encounters: 137 | |
| 75. | American Coot Fulica americana | First: | Last: | Encounters: 65 | |
| 74. | Lesser Scaup Aythya affinis | First: | Last: | Encounters: 48 | |
| 73. | Ring-necked Duck Aythya collaris | First: | Last: | Encounters: 46 | |
| 72. | Wilson's Phalarope Phalaropus tricolor | First: | Last: | Encounters: 11 | |
| 71. | Ruddy Duck Oxyura jamaicensis | First: | Last: | Encounters: 22 | |
| 70. | Bufflehead Bucephala albeola | First: | Last: | Encounters: 101 | |
| 69. | Lesser Yellowlegs Tringa flavipes | First: | Last: | Encounters: 45 | |
| 68. | Red-breasted Merganser Mergus serrator | First: | Last: | Encounters: 5 | |
| 67. | Pied-billed Grebe Podilymbus podiceps | First: | Last: | Encounters: 107 | |
| 66. | Least Sandpiper Calidris minutilla | First: | Last: | Encounters: 20 | |
| 65. | Cooper's Hawk Astur cooperii | First: | Last: | Encounters: 59 | |
| 64. | Bonaparte's Gull Chroicocephalus philadelphia | First: | Last: | Encounters: 3 | |
| 63. | Horned Grebe Podiceps auritus | First: | Last: | Encounters: 31 | |
| 62. | Green-winged Teal Anas crecca | First: | Last: | Encounters: 44 | |
| 61. | Blue-winged Teal Spatula discors | First: | Last: | Encounters: 135 | |
| 60. | Yellow-headed Blackbird Xanthocephalus xanthocephalus | First: | Last: | Encounters: 74 | |
| 59. | Black-billed Magpie Pica hudsonia | First: | Last: | Encounters: 243 | |
| 58. | Franklin's Gull Leucophaeus pipixcan | First: | Last: | Encounters: 110 | |
First encounter in 2011: |
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| 57. | Brant Branta bernicla | — Date: — | Encounters: 1 | ||
| 56. | Ring-billed Gull Larus delawarensis | First: | Last: | Encounters: 514 | |
| 55. | Laughing Gull Leucophaeus atricilla | — Date: — | Encounters: 1 | ||
| 54. | Black-crowned Night Heron Nycticorax nycticorax | First: | Last: | Encounters: 7 | |
| 53. | Great Black-backed Gull Larus marinus | First: | Last: | Encounters: 2 | |
| 52. | Barn Swallow Hirundo rustica | First: | Last: | Encounters: 149 | |
| 51. | Brown-headed Cowbird Molothrus ater | First: | Last: | Encounters: 77 | |
| 50. | Northern Cardinal Cardinalis cardinalis | First: | Last: | Encounters: 11 | |
| 49. | Baltimore Oriole Icterus galbula | First: | Last: | Encounters: 68 | |
| 48. | Wood Duck Aix sponsa | First: | Last: | Encounters: 83 | |
| 47. | Hermit Thrush Catharus guttatus | First: | Last: | Encounters: 39 | |
| 46. | White-crowned Sparrow Zonotrichia leucophrys | First: | Last: | Encounters: 58 | |
| 45. | American Herring Gull Larus smithsonianus | First: | Last: | Encounters: 16 | |
| 44. | Common Yellowthroat Geothlypis trichas | First: | Last: | Encounters: 62 | |
| 43. | Brown Creeper Certhia americana | First: | Last: | Encounters: 25 | |
| 42. | White-throated Sparrow Zonotrichia albicollis | First: | Last: | Encounters: 276 | |
| 41. | Yellow-rumped Warbler Setophaga coronata | First: | Last: | Encounters: 274 | |
| 40. | Spotted Sandpiper Actitis macularius | First: | Last: | Encounters: 99 | |
| 39. | Common Loon Gavia immer | First: | Last: | Encounters: 8 | |
| 38. | Common Grackle Quiscalus quiscula | First: | Last: | Encounters: 313 | |
| 37. | Belted Kingfisher Megaceryle alcyon | First: | Last: | Encounters: 56 | |
| 36. | American Black Duck Anas rubripes | — Date: — | Encounters: 1 | ||
| 35. | Mourning Dove Zenaida macroura | First: | Last: | Encounters: 104 | |
| 34. | Turkey Vulture Cathartes aura | First: | Last: | Encounters: 37 | |
| 33. | Osprey Pandion haliaetus | First: | Last: | Encounters: 31 | |
| 32. | Dark-eyed Junco Junco hyemalis | First: | Last: | Encounters: 65 | |
| 31. | Eastern Bluebird Sialia sialis | First: | Last: | Encounters: 10 | |
| 30. | Tree Swallow Tachycineta bicolor | First: | Last: | Encounters: 189 | |
| 29. | Purple Finch Haemorhous purpureus | First: | Last: | Encounters: 20 | |
| 28. | American Goldfinch Spinus tristis | First: | Last: | Encounters: 181 | |
| 27. | Common Merganser Mergus merganser | First: | Last: | Encounters: 6 | |
| 26. | Broad-winged Hawk Buteo platypterus | First: | Last: | Encounters: 12 | |
| 25. | Hairy Woodpecker Leuconotopicus villosus | First: | Last: | Encounters: 69 | |
| 24. | Gray Catbird Dumetella carolinensis | First: | Last: | Encounters: 50 | |
| 23. | White-breasted Nuthatch Sitta carolinensis | First: | Last: | Encounters: 119 | |
| 22. | Pileated Woodpecker Dryocopus pileatus | First: | Last: | Encounters: 6 | |
| 21. | Blue Jay Cyanocitta cristata | First: | Last: | Encounters: 174 | |
| 20. | Double-crested Cormorant Nannopterum auritum | First: | Last: | Encounters: 63 | |
| 19. | Eastern Phoebe Sayornis phoebe | First: | Last: | Encounters: 78 | |
| 18. | Northern Flicker Colaptes auratus | First: | Last: | Encounters: 58 | |
| 17. | Song Sparrow Melospiza melodia | First: | Last: | Encounters: 300 | |
| 16. | Common Raven Corvus corax | First: | Last: | Encounters: 121 | |
| 15. | Red-breasted Nuthatch Sitta canadensis | First: | Last: | Encounters: 53 | |
| 14. | Great Blue Heron Ardea herodias | First: | Last: | Encounters: 16 | |
| 13. | Mallard Anas platyrhynchos | First: | Last: | Encounters: 496 | |
| 12. | Red-winged Blackbird Agelaius phoeniceus | First: | Last: | Encounters: 543 | |
| 11. | House Sparrow Passer domesticus | First: | Last: | Encounters: 200 | |
| 10. | Chipping Sparrow Spizella passerina | First: | Last: | Encounters: 499 | |
| 9. | Merlin Falco columbarius | First: | Last: | Encounters: 67 | |
| 8. | Canada Goose Branta canadensis | First: | Last: | Encounters: 680 | |
| 7. | Black-capped Chickadee Poecile atricapillus | First: | Last: | Encounters: 392 | |
| 6. | Hooded Merganser Lophodytes cucullatus | First: | Last: | Encounters: 140 | |
| 5. | American Robin Turdus migratorius | First: | Last: | Encounters: 424 | |
| 4. | Green Heron Butorides virescens | First: | Last: | Encounters: 4 | |
| 3. | American Crow Corvus brachyrhynchos | First: | Last: | Encounters: 537 | |
| 2. | European Starling Sturnus vulgaris | First: | Last: | Encounters: 74 | |
| 1. | Rock Pigeon Columba livia | First: | Last: | Encounters: 172 | |