Tau Emperor Moth

Tau Emperor Moth

Aglia tau

Daily sighting probability ~20% · Possible
at Triglav National Park

In 3 days ~40% in a week ~70%

16 Verified sightings at Triglav National Park From 2019 to 2026
73 In all 4 parks
May Best month
☀️🌙 Day & Night When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Triglav National Park 🇸🇮 Slovenia
~20%
2 Bavarian Forest National Park 🇩🇪 Germany
~10%
3 Pyrénées National Park 🇫🇷 France
~10%
4 Cévennes National Park 🇫🇷 France
~10%

Cities Where Found

# City Country Daily sighting probability
1 Vienna 🇦🇹 Austria
<5%
2 Moscow 🇷🇺 Russia
<5%

Before you go

What are the chances of seeing a Tau Emperor Moth in Triglav National Park?

Possible

About 20% of wildlife watchers report a Tau Emperor Moth sighting in Triglav National Park on a given day, based on 16 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 100th most-seen of the 260 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.

When is the best time to see a Tau Emperor Moth in Triglav National Park?

May

In that month about 40% of wildlife watchers report a Tau Emperor Moth in Triglav National Park on a given day, against under 5% in September to March, the lowest months.

What time of day is best to see a Tau Emperor Moth?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Tau Emperor Moth sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Is Triglav National Park the best place to see a Tau Emperor Moth?

Yes

Of the 4 parks where we can rate Tau Emperor Moth sightings, Triglav National Park has the highest daily chance: about 20%. Next come Bavarian Forest National Park (Germany, about 10%) and Pyrénées National Park (France, about 10%).

Which relatives of the Tau Emperor Moth live in Triglav National Park?

Same family: Saturniidae

The closest relatives of the Tau Emperor Moth that you can see in Triglav National Park (family Saturniidae, Emperor and Giant Silk Moths) are Japanese Silk Moth (about 40%) and Giant Peacock Moth (about 10%), with each one's daily chance of a sighting.

Where does the Tau Emperor Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Tau Emperor Moth is recorded against all the insects logged in Triglav National Park (16 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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