Bombus vandykei
In 3 days ~10% in a week ~20%
Bombus vandykei, the Van Dyke's bumblebee, is a species of bumble bees in the family Apidae. It is found in North America. The IUCN conservation status of Bombus vandykei is "LC", least concern, with no immediate threat to the species' survival. The population is stable. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 2 | Yosemite National Park | 🇺🇸 United States | |
| 3 | Olympic National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sacramento | 🇺🇸 United States | |
| 2 | Portland | 🇺🇸 United States | |
| 3 | Los Angeles | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Van Dyke's Bumble Bee sighting in Portland on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 316th most-seen of the 507 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.
June
In that month about 10% of wildlife watchers report a Van Dyke's Bumble Bee in Portland on a given day, against under 5% in July to May, the lowest months. That is one of Portland's driest months, with about 55 mm of rain against 250 mm in December.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Van Dyke's 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.
2nd of 3
Of the 3 cities where we can rate Van Dyke's Bumble Bee sightings, Portland ranks 2nd at under 5%. The best odds are in Sacramento (United States, about 10%).
Same genus: Bombus
The closest relatives of the Van Dyke's Bumble Bee that you can see in Portland (genus Bombus, Bumble Bees) are Black-Tailed Bumble Bee (about 20%), Yellow-Faced Bumble Bee (about 20%) and Fuzzy-Horned Bumble Bee (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Van Dyke's Bumble Bee is recorded against all the insects logged in Portland (13 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.
