Bicolored Carpenter Ant

Bicolored Carpenter Ant

Camponotus vicinus

Daily sighting probability <5% · Rare
at Yosemite National Park

In 3 days ~10% in a week ~30%

9 Verified sightings at Yosemite National Park From 2019 to 2026
30 In all 4 parks
May Best month
☀️ Diurnal When it's spotted

About the Bicolored Carpenter Ant

Camponotus vicinus is a species of carpenter ant widespread throughout western North America; it is found from Alaska, south to Mexico, and east to Texas and Manitoba. Unlike its wood-nesting relatives, C. vicinus is typically found nesting in the soil under stones and other objects. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Grand Canyon National Park 🇺🇸 United States
~10%
2 Redwood National Park 🇺🇸 United States
~10%
3 Yosemite National Park 🇺🇸 United States
<5%
4 Olympic National Park 🇺🇸 United States
<5%

Cities Where Found

# City Country Daily sighting probability
1 Salt Lake City 🇺🇸 United States
<5%
2 Denver 🇺🇸 United States
<5%
3 San Francisco 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Bicolored Carpenter Ant in Yosemite National Park?

Rare

Under 5% of wildlife watchers report a Bicolored Carpenter Ant sighting in Yosemite National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 159th most-seen of the 227 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Bicolored Carpenter Ant in Yosemite National Park?

April and May

In those months about 10% of wildlife watchers report a Bicolored Carpenter Ant in Yosemite National Park on a given day, against under 5% in June to March, the lowest months.

What time of day is best to see a Bicolored Carpenter Ant?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Bicolored Carpenter Ant sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Yosemite National Park the best place to see a Bicolored Carpenter Ant?

3rd of 4

Of the 4 parks where we can rate Bicolored Carpenter Ant sightings, Yosemite National Park ranks 3rd at under 5%. The best odds are in Grand Canyon National Park (United States, about 10%) and Redwood National Park (United States, about 10%).

Where does the Bicolored Carpenter Ant sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Bicolored Carpenter Ant is recorded against all the insects logged in Yosemite National Park (9 verified sightings from 2019 to 2026), 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.

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