Bow Valley 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 11464496
Dec 231172048
Dec 381819262
Dec 4770231
Dec 5211005
Dec 62030011
Dec 7010202
Dec 8114003
Dec 9104002
Dec 10211531
Dec 11210001
Dec 12031210
Dec 13010000
Dec 14122221511
Dec 15-Dec 211124971
Dec 22-Dec 286114120
Dec 29-Jan 4041314
Jan 5-Jan 18414330
Jan 19-Feb 1254102
Feb 2-Feb 15111300
Feb 16-Feb 28/9101300

Cumulative number of species for each time period

Days
2024
2023
2022
2021
2020
2019
Dec 11464496
Dec 217721241314
Dec 3252522333916
Dec 4323222354217
Dec 5343323354222
Dec 6363326354233
Dec 7363426374235
Dec 8373530374238
Dec 9383534374240
Dec 10403635424541
Dec 11423735424542
Dec 12424036444642
Dec 13424136444642
Dec 14544338466153
Dec 15-Dec 21555542556854
Dec 22-Dec 28615656567054
Dec 29-Jan 4616057597158
Jan 5-Jan 18656161627458
Jan 19-Feb 1676665637460
Feb 2-Feb 15686766667460
Feb 16-Feb 28/9696767697460

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
Canada Goose6Dec 2Feb 2
Trumpeter Swan5Dec 2Dec 4
Tundra Swan2Dec 1Dec 2
American Wigeon3Dec 2Dec 20
Mallard6Dec 1Dec 3
Northern Pintail1Dec 24Dec 24
Green-winged Teal4Dec 1Dec 13
Redhead1Dec 27Dec 27
Ring-necked Duck1Dec 1Dec 1
White-winged Scoter1Dec 3Dec 3
Long-tailed Duck1Dec 2Dec 2
Bufflehead5Dec 2Dec 16
Common Goldeneye6Dec 2Dec 3
Barrow's Goldeneye4Dec 3Jan 3
Hooded Merganser3Dec 3Dec 19
Common Merganser6Dec 2Dec 23
Red-breasted Merganser2Dec 7Dec 24
Ruffed Grouse6Dec 2Dec 23
Dusky Grouse4Dec 20Jan 24
White-tailed Ptarmigan6Dec 8Jan 28
Spruce Grouse6Dec 3Dec 31
Rock Pigeon6Dec 2Dec 14
Eurasian Collared-Dove1Jan 30Jan 30
Virginia Rail2Dec 10Jan 24
American Coot1Dec 2Dec 2
Killdeer3Dec 6Jan 3
Wilson's Snipe5Dec 5Jan 7
Horned Grebe1Dec 1Dec 1
Red-necked Grebe1Dec 1Dec 1
Western Grebe5Dec 2Dec 3
Pacific Loon1Dec 2Dec 2
Common Loon1Jan 10Jan 10
Great Blue Heron1Dec 9Dec 9
Golden Eagle1Dec 24Dec 24
Sharp-shinned Hawk1Dec 23Dec 23
American Goshawk6Dec 3Jan 6
Bald Eagle6Dec 3Jan 2
Rough-legged Hawk3Dec 20Feb 6
Great Horned Owl6Dec 9Jan 23
Northern Hawk Owl4Dec 8Jan 21
Northern Pygmy-Owl6Dec 14Jan 29
Barred Owl1Feb 21Feb 21
Great Grey Owl3Dec 8Jan 16
Boreal Owl3Dec 8Jan 21
Northern Saw-whet Owl2Dec 17Feb 21
Belted Kingfisher6Dec 1Jan 15
American Three-toed Woodpecker6Dec 3Dec 14
Black-backed Woodpecker5Dec 8Jan 9
Downy Woodpecker6Dec 3Dec 10
Hairy Woodpecker6Dec 1Dec 10
Pileated Woodpecker6Dec 3Jan 6
Northern Flicker6Dec 2Dec 10
Merlin6Dec 14Jan 3
Gyrfalcon1Dec 31Dec 31
Northern Shrike6Dec 4Jan 23
Canada Jay6Dec 1Dec 8
Steller's Jay6Dec 1Dec 23
Blue Jay6Dec 3Dec 6
Black-billed Magpie6Dec 1Dec 3
Clark's Nutcracker6Dec 1Dec 6
American Crow6Dec 3Dec 18
Common Raven6Dec 1Dec 2
Black-capped Chickadee6Dec 1Dec 3
Mountain Chickadee6Dec 1Dec 3
Boreal Chickadee6Dec 1Dec 7
Golden-crowned Kinglet6Dec 1Dec 23
White-breasted Nuthatch6Dec 1Dec 6
Red-breasted Nuthatch6Dec 1Dec 3
Brown Creeper6Dec 1Dec 16
American Dipper6Dec 2Dec 16
European Starling5Dec 3Dec 23
Grey Catbird1Dec 3Dec 3
Townsend's Solitaire6Dec 1Dec 16
Varied Thrush2Dec 5Dec 10
Hermit Thrush1Dec 14Dec 14
American Robin6Dec 3Dec 23
Bohemian Waxwing6Dec 1Dec 23
House Sparrow6Dec 1Dec 6
Evening Grosbeak3Dec 14Feb 2
Pine Grosbeak6Dec 1Dec 3
Grey-crowned Rosy-Finch5Dec 10Jan 14
House Finch2Jan 28Feb 21
Redpoll1Dec 3Dec 3
Redpoll (Common)6Dec 2Feb 26
Redpoll (Hoary)1Feb 6Feb 6
Red Crossbill6Dec 10Dec 19
White-winged Crossbill6Dec 2Dec 14
Pine Siskin6Dec 4Dec 19
American Goldfinch1Dec 17Dec 17
Snow Bunting6Dec 1Dec 14
American Tree Sparrow3Dec 2Jan 23
Dark-eyed Junco6Dec 2Dec 16
White-throated Sparrow5Dec 3Dec 27
Song Sparrow6Dec 2Dec 14
Spotted Towhee1Feb 28Feb 28
Red-winged Blackbird1Dec 18Dec 18
Rusty Blackbird5Dec 3Feb 6
Brewer's Blackbird1Dec 26Dec 26
Common Grackle2Dec 14Jan 5
Yellow-rumped Warbler1Dec 11Dec 11