Calgary Statistics

Stats are only available for winter 2019-20 and later

The dates are when the species were added to the database,
not when they were first detected or reported

Number of species added to database each time period

Days
2024
2023
2022
2021
2020
2019
Dec 166510294529
Dec 2515451385
Dec 311313121511
Dec 47352018
Dec 50391110
Dec 6112001
Dec 7600001
Dec 8313432
Dec 9421202
Dec 10033123
Dec 11021010
Dec 12003220
Dec 13210300
Dec 140001114
Dec 15-Dec 2158541014
Dec 22-Dec 28333732
Dec 29-Jan 4293197
Jan 5-Jan 185181125
Jan 19-Feb 1025231
Feb 2-Feb 15031021
Feb 16-Feb 28/9000513

Cumulative number of species for each time period

Days
2024
2023
2022
2021
2020
2019
Dec 166510294529
Dec 2716645425334
Dec 3727958546845
Dec 4798263746953
Dec 5798572758053
Dec 6808674758054
Dec 7868674758055
Dec 8898777798357
Dec 9938978818359
Dec 10939281828562
Dec 11939482828662
Dec 12939485848862
Dec 13959585878862
Dec 14959585888976
Dec 15-Dec 2110010390929990
Dec 22-Dec 28103106939910292
Dec 29-Jan 41051159610011199
Jan 5-Jan 18110116104111113104
Jan 19-Feb 1110118109113116105
Feb 2-Feb 15110121110113118106
Feb 16-Feb 28/9110121110118119109

Earliest and latest first addition of each species since Dec 2019
EOS means species was added after end of season

Species
Occurrences
Earliest date
Latest date
Snow Goose4Dec 3Jan 28
Greater White-fronted Goose3Dec 2Dec 21
Cackling Goose6Dec 1Dec 8
Canada Goose6Dec 1Dec 2
Trumpeter Swan6Dec 1Dec 2
Tundra Swan6Dec 1Dec 9
Wood Duck6Dec 3Dec 29
Blue-winged Teal1Dec 3Dec 3
Northern Shoveler4Dec 7Feb 11
Gadwall6Dec 1Dec 23
American Wigeon6Dec 1Dec 21
Mallard6Dec 1Dec 2
Northern Pintail6Dec 3Dec 22
Green-winged Teal6Dec 1Feb 23
Canvasback5Dec 1Dec 4
Redhead6Dec 1Dec 3
Ring-necked Duck6Dec 1Dec 3
Greater Scaup6Dec 3Feb 19
Lesser Scaup6Dec 1Dec 4
Harlequin Duck6Dec 1Dec 8
White-winged Scoter1Dec 4Dec 4
Long-tailed Duck2Dec 1Dec 4
Bufflehead6Dec 1Dec 2
Common Goldeneye6Dec 1Dec 2
Barrow's Goldeneye6Dec 1Dec 3
Hooded Merganser6Dec 1Dec 3
Common Merganser6Dec 1Dec 3
Red-breasted Merganser4Dec 1Jan 27
Ruddy Duck4Dec 1Jan 24
Wild Turkey6Dec 1Jan 11
Ruffed Grouse6Dec 1Dec 4
Sharp-tailed Grouse6Dec 1Dec 29
White-tailed Ptarmigan1Dec 30Dec 30
Spruce Grouse6Dec 5Feb 20
Grey Partridge6Dec 1Dec 10
Ring-necked Pheasant6Dec 1Dec 14
Rock Pigeon6Dec 1Dec 2
Eurasian Collared-Dove6Dec 1Dec 5
White-winged Dove1Jan 11Jan 11
Mourning Dove2Dec 10Dec 16
Anna's Hummingbird1Dec 2Dec 2
American Coot4Dec 1Dec 3
Killdeer6Dec 1Dec 12
Wilson's Snipe6Dec 3Jan 2
Ring-billed Gull2Dec 2Dec 8
California Gull2Dec 31EOS
Pied-billed Grebe1Dec 1Dec 1
Horned Grebe1Dec 4Dec 4
Red-necked Grebe1Dec 5Dec 5
Eared Grebe1Dec 7Dec 7
Western Grebe1Dec 9Dec 9
Double-crested Cormorant1Dec 2Dec 2
Great Blue Heron2Dec 13Jan 11
American White Pelican3Dec 1Dec 8
Golden Eagle6Dec 1Dec 14
Sharp-shinned Hawk6Dec 1Dec 23
Cooper's Hawk6Dec 2Jan 14
American Goshawk6Dec 1Dec 14
Northern Harrier6Dec 3Jan 14
Bald Eagle6Dec 1Dec 2
Red-tailed Hawk6Dec 3Dec 14
Rough-legged Hawk6Dec 1Dec 14
American Barn Owl1Jan 14Jan 14
Snowy Owl6Dec 1Dec 14
Great Horned Owl6Dec 1Dec 15
Northern Hawk Owl6Dec 10Jan 14
Northern Pygmy-Owl6Dec 2Jan 14
Barred Owl5Dec 18Feb 20
Great Grey Owl6Dec 1Jan 14
Long-eared Owl3Dec 1Jan 1
Short-eared Owl6Dec 1Jan 2
Boreal Owl3Dec 7Dec 29
Northern Saw-whet Owl6Dec 1Dec 10
Belted Kingfisher6Dec 1Dec 5
Yellow-bellied Sapsucker1Jan 28Jan 28
Red-bellied Woodpecker1Jan 19Jan 19
American Three-toed Woodpecker6Dec 1Dec 14
Black-backed Woodpecker6Dec 1Jan 6
Downy Woodpecker6Dec 1Dec 2
Hairy Woodpecker6Dec 1Dec 2
Pileated Woodpecker6Dec 1Dec 4
Northern Flicker6Dec 1Dec 2
American Kestrel7Dec 2EOS
Merlin6Dec 1Dec 12
Gyrfalcon6Dec 3Dec 30
Prairie Falcon6Dec 1Dec 5
Northern Shrike6Dec 1Dec 2
Canada Jay6Dec 1Dec 4
Steller's Jay5Dec 4Jan 10
Blue Jay6Dec 1Dec 2
Black-billed Magpie6Dec 1Dec 14
Clark's Nutcracker6Dec 7Jan 23
American Crow6Dec 1Dec 4
Common Raven6Dec 1Dec 2
Black-capped Chickadee6Dec 1Dec 2
Mountain Chickadee6Dec 1Dec 4
Boreal Chickadee6Dec 1Dec 4
Horned Lark6Dec 1Dec 24
Ruby-crowned Kinglet1Dec 19Dec 19
Golden-crowned Kinglet6Dec 1Dec 15
White-breasted Nuthatch6Dec 1Dec 2
Red-breasted Nuthatch6Dec 1Dec 2
Brown Creeper6Dec 1Dec 5
Winter Wren1Dec 3Dec 3
Pacific/Winter Wren2Jan 13Jan 26
American Dipper6Dec 1Dec 8
European Starling6Dec 1Dec 3
Grey Catbird2Dec 2Dec 19
Northern Mockingbird1Feb 8Feb 8
Mountain Bluebird1Dec 19Dec 19
Townsend's Solitaire6Dec 1Dec 2
Varied Thrush5Dec 3Dec 19
Swainson's Thrush1Dec 20Dec 20
American Robin6Dec 1Dec 16
Bohemian Waxwing6Dec 1Dec 2
Cedar Waxwing6Dec 4Dec 28
House Sparrow6Dec 1Dec 2
American Pipit1Feb 9Feb 9
Evening Grosbeak6Dec 1Dec 5
Pine Grosbeak6Dec 1Dec 4
Grey-crowned Rosy-Finch4Dec 6Feb 7
House Finch6Dec 1Dec 2
Purple Finch5Dec 9Feb 11
Cassin's Finch1Dec 19Dec 19
Redpoll1Dec 1Dec 1
Redpoll (Common)5Dec 1Dec 15
Redpoll (Hoary)3Dec 3Dec 16
Red Crossbill6Dec 1Jan 16
White-winged Crossbill6Dec 1Dec 18
Pine Siskin6Dec 1Dec 13
American Goldfinch5Dec 2Dec 16
Lapland Longspur4Dec 6Feb 24
Snow Bunting6Dec 1Dec 14
American Tree Sparrow6Dec 1Dec 28
Fox Sparrow2Jan 3Jan 14
Dark-eyed Junco6Dec 1Dec 5
White-crowned Sparrow2Dec 5Jan 14
Harris's Sparrow4Jan 14EOS
White-throated Sparrow6Dec 2Dec 23
Savannah Sparrow1Jan 21Jan 21
Song Sparrow6Dec 1Feb 7
Spotted Towhee1Feb 20Feb 20
Yellow-headed Blackbird1Dec 21Dec 21
Western Meadowlark4Dec 8Dec 25
Red-winged Blackbird5Dec 3EOS
Rusty Blackbird5Dec 3Jan 4
Brewer's Blackbird3Dec 1Jan 4
Common Grackle6Dec 5Dec 31
Cape May Warbler1Jan 27Jan 27
Palm Warbler1Jan 1Jan 1
Yellow-rumped Warbler5Dec 9Jan 12