Bombus centralis
In 3 days ~30% in a week ~60%
Bombus centralis, the central bumblebee, is a species of bumble bee found in parts of Canada and the western United States. The species was first described by Ezra Townsend Cresson in 1864. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Rocky Mountain National Park | 🇺🇸 United States | |
| 2 | Banff National Park | 🇨🇦 Canada |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Edmonton | 🇨🇦 Canada | |
| 2 | Calgary | 🇨🇦 Canada | |
| 3 | Salt Lake City | 🇺🇸 United States | |
| 4 | Denver | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Great Basin Bumble Bee sighting in Calgary on a given day, based on 229 verified sightings from GBIF citizen-science data. It is the 16th most-seen of the 256 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
June to August
In those months about 20% of wildlife watchers report a Great Basin Bumble Bee in Calgary on a given day, against under 5% in October to April, the lowest months. Those are among Calgary's wettest months, with about 80 mm of rain a month against 15 mm in January.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Great Basin Bumble Bee 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 4 cities where we can rate Great Basin Bumble Bee sightings, Calgary ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Edmonton (Canada, about 10%).
Same genus: Bombus
The closest relatives of the Great Basin Bumble Bee that you can see in Calgary (genus Bombus, Bumble Bees) are Hunt's Bumble Bee (about 30%), Red-Belted Bumble Bee (about 20%) and Perplexing Bumble Bee (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Great Basin Bumble Bee is recorded against all the insects logged in Calgary (229 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.
