Bombus ashtoni
In 3 days ~10% in a week ~20%
Bombus ashtoni is a species of cuckoo bumblebee. This means that it parasitizes closely related species such as Bombus affinis, Bombus terricola, and Bombus fervidus by residing in the nests of these bumblebees and tricking the bees into providing resources such as food for them. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report an Ashton's Cuckoo Bumble Bee sighting in Calgary on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 155th most-seen of the 256 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
August
In that month about 10% of wildlife watchers report an Ashton's Cuckoo Bumble Bee in Calgary on a given day, against under 5% in September to July, the lowest months.
2nd of 2
Of the 2 cities where we can rate Ashton's Cuckoo Bumble Bee sightings, Calgary ranks 2nd at under 5%. The best odds are in Edmonton (Canada, about 10%).
Same genus: Bombus
The closest relatives of the Ashton's Cuckoo 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 Ashton's Cuckoo Bumble Bee is recorded against all the insects logged in Calgary (10 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.
