Picoides dorsalis
Silhouette: Gareth Monger · PhyloPic
In 3 days <5%
The American three-toed woodpecker (Picoides dorsalis) is a medium-sized woodpecker (family Picidae), which is native to North America. This woodpecker has a length between 21 – 23 cm (8.3 – 9.1 in) and a wingspan between 37 – 39 cm (14.6 – 15.3 in). Males have an average weight of 58.3 g (2.06 oz), and females are slightly smaller, averaging 52 g (1.8 oz). Its maximum lifespan in the wild is 6 years. It closely resembles the black-backed woodpecker, which is also three-toed. Until recently, it was considered to be the same species as the Eurasian three-toed woodpecker, P. tridactylus. Adults are black on the head, wings and rump, and white from the throat to the belly; the flanks are white with black bars. The back is white with black bars and the tail is black with the white outer feathers barred with black. The adult male has a yellow cap.
The breeding habitat is coniferous forests across western Canada, Alaska and the western and extreme northeastern United States. It has also been seen in Michigan's upper peninsula, and has been recorded breeding in the extreme north of Wisconsin and Minnesota on extremely rare occasions. The female lays 3 to 7... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Banff National Park | 🇨🇦 Canada | |
| 2 | Wrangell-St. Elias National Park | 🇺🇸 United States | |
| 3 | Jasper National Park | 🇨🇦 Canada | |
| 4 | Denali National Park | 🇺🇸 United States | |
| 5 | Glacier National Park | 🇺🇸 United States | |
| 6 | Katmai National Park | 🇺🇸 United States | |
| 7 | Rocky Mountain National Park | 🇺🇸 United States | |
| 8 | Riding Mountain National Park | 🇨🇦 Canada | |
| 9 | Kluane National Park | 🇨🇦 Canada | |
| 10 | Grand Teton National Park | 🇺🇸 United States | |
| 11 | Yellowstone National Park | 🇺🇸 United States | |
| 12 | Grand Canyon National Park | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an American Three-toed Woodpecker sighting in Calgary on a given day, based on 58 verified sightings from GBIF citizen-science data. It is the 208th most-seen of the 259 birds we can rate there. Over three days the chance rises to under 5%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report an American Three-toed Woodpecker in Calgary on a given day, so our monthly data shows no clear season.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most American Three-toed Woodpecker sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 cities where we can rate American Three-toed Woodpecker sightings, Calgary ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Anchorage (United States, under 5%).
Same family: Picidae
The closest relatives of the American Three-toed Woodpecker that you can see in Calgary (family Picidae, Woodpeckers) are Northern Flicker (about 80%), Downy Woodpecker (about 60%) and Hairy Woodpecker (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the American Three-toed Woodpecker is recorded against all the birds logged in Calgary (58 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
