Bombus vandykei
In 3 days ~40% in a week ~70%
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 |
With luck
About 10% of wildlife watchers report a Van Dyke's Bumble Bee sighting in Sacramento on a given day, based on 184 verified sightings from GBIF citizen-science data. It is the 32nd most-seen of the 386 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
May and June
In those months about 30% of wildlife watchers report a Van Dyke's Bumble Bee in Sacramento on a given day, against under 5% in August to March, the lowest months. Those are among Sacramento's driest months, with about 15 mm of rain a month against 120 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.
Yes
Of the 3 cities where we can rate Van Dyke's Bumble Bee sightings, Sacramento has the highest daily chance: about 10%. Next come Portland (United States, under 5%) and Los Angeles (United States, under 5%).
Same genus: Bombus
The closest relatives of the Van Dyke's Bumble Bee that you can see in Sacramento (genus Bombus, Bumble Bees) are Black-Tailed Bumble Bee (about 20%), Yellow-Faced Bumble Bee (about 10%) and California 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 Sacramento (184 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.
