Mountain Clouded Yellow

Mountain Clouded Yellow

Colias phicomone

Daily sighting probability ~30% · Possible
at Mercantour National Park

In 3 days ~60% in a week ~90%

40 Verified sightings at Mercantour National Park From 2019 to 2026
92 In all 5 parks
July Best month
☀️ Diurnal When it's spotted

About the Mountain Clouded Yellow

Colias phicomone, the mountain clouded yellow, is a butterfly in the family Pieridae. It is found in the Cantabrian Mountains, the Pyrenees, the Carpathian Mountains and the Alps. It flies at altitudes of 900 to 2800 meters. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Mercantour National Park 🇫🇷 France
~30%
2 Vanoise National Park 🇫🇷 France
~20%
3 Hohe Tauern National Park 🇦🇹 Austria
~20%
4 Ecrins National Park 🇫🇷 France
~10%
5 Pyrénées National Park 🇫🇷 France
<5%

Before you go

What are the chances of seeing a Mountain Clouded Yellow in Mercantour National Park?

Possible

About 30% of wildlife watchers report a Mountain Clouded Yellow sighting in Mercantour National Park on a given day, based on 40 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 47th most-seen of the 412 insects we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Mountain Clouded Yellow in Mercantour National Park?

July

In that month about 40% of wildlife watchers report a Mountain Clouded Yellow in Mercantour National Park on a given day, against under 5% in January–May and September–November, the lowest months.

What time of day is best to see a Mountain Clouded Yellow?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Mountain Clouded Yellow sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Mercantour National Park the best place to see a Mountain Clouded Yellow?

Yes

Of the 5 parks where we can rate Mountain Clouded Yellow sightings, Mercantour National Park has the highest daily chance: about 30%. Next come Vanoise National Park (France, about 20%) and Hohe Tauern National Park (Austria, about 20%).

Which relatives of the Mountain Clouded Yellow live in Mercantour National Park?

Same genus: Colias

The closest relatives of the Mountain Clouded Yellow that you can see in Mercantour National Park (genus Colias, Clouded Yellows) are Clouded Yellow (about 20%) and Berger's Clouded Yellow (about 10%), with each one's daily chance of a sighting.

Where does the Mountain Clouded Yellow sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Mountain Clouded Yellow is recorded against all the insects logged in Mercantour National Park (40 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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