Colocasia coryli
In 3 days ~20% in a week ~50%
Colocasia coryli (nut-tree tussock) is a moth of the family Noctuidae. It is found in Europe and Asia. In the north of its range, the distribution area includes northern Scandinavia, while in the south the moth is limited to montane areas of western and northern Spain, Sicily, Greece, Romania and Asia minor. To the east, the range extends across the Palearctic to Lake Baikal. In the Alps it is found at elevations up to 1600 m. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 2 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 3 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 4 | Pyrénées National Park | 🇫🇷 France | |
| 5 | Wadden Sea National Park | 🇩🇪 Germany | |
| 6 | Cévennes National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Nut-Tree Tussock sighting in Bavarian Forest National Park on a given day, based on 50 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 219th most-seen of the 1115 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
April
In that month about 20% of wildlife watchers report a Nut-Tree Tussock in Bavarian Forest National Park on a given day, against under 5% in September to March, the lowest months.
Between 11 pm and 2 am
Across all the parks we cover, that three-hour window holds the most Nut-Tree Tussock sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 6 parks where we can rate Nut-Tree Tussock sightings, Bavarian Forest National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Snowdonia National Park (United Kingdom, about 10%) and Cairngorms National Park (United Kingdom, about 10%).
Same family: Noctuidae
The closest relatives of the Nut-Tree Tussock that you can see in Bavarian Forest National Park (family Noctuidae, Cutworm Moths and Allies) are Silver Υ (about 20%), Knot Grass Moth (about 20%) and Large Yellow Underwing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Nut-Tree Tussock is recorded against all the insects logged in Bavarian Forest National Park (50 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.
