Eresia aveyrona silhouette

Silhouette: Mattia Menchetti · PhyloPic

Daily sighting probability ~10% · With luck
at San Francisco

In 3 days ~20% in a week ~30%

265 Verified sightings at San Francisco
109 In all 5 parks From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Redwood National Park 🇺🇸 United States
~20%
2 Sequoia and Kings Canyon National Parks 🇺🇸 United States
~10%
3 Yosemite National Park 🇺🇸 United States
~10%
4 Olympic National Park 🇺🇸 United States
~10%
5 Great Bear Rainforest 🇨🇦 Canada
<5%

Cities Where Found

# City Country Daily sighting probability
1 San Francisco 🇺🇸 United States
~10%
2 Portland 🇺🇸 United States
<5%

Before you go

What are the chances of seeing an Eresia aveyrona in San Francisco?

With luck

About 10% of wildlife watchers report an Eresia aveyrona sighting in San Francisco on a given day, based on 265 verified sightings from GBIF citizen-science data. It is the 79th most-seen of the 737 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see an Eresia aveyrona in San Francisco?

May to October

In those months about 10% of wildlife watchers report an Eresia aveyrona in San Francisco on a given day, against under 5% in November to April, the lowest months. Those are among San Francisco's driest months, with about 10 mm of rain a month against 110 mm in December.

What time of day is best to see an Eresia aveyrona?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Eresia aveyrona 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 San Francisco the best place to see an Eresia aveyrona?

Yes

Of the 2 cities where we can rate Eresia aveyrona sightings, San Francisco has the highest daily chance: about 10%. Next come Portland (United States, under 5%).

Which relatives of the Eresia aveyrona live in San Francisco?

Same family: Nymphalidae

The closest relatives of the Eresia aveyrona that you can see in San Francisco (family Nymphalidae, Brush-footed Butterflies) are Monarch (about 30%), Red Admiral (about 20%) and Gulf Fritillary (about 20%), with each one's daily chance of a sighting.

Where does the Eresia aveyrona sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Eresia aveyrona is recorded against all the insects logged in San Francisco (265 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.

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