Macaria brunneata
In 3 days ~30% in a week ~50%
Macaria brunneata, the Rannoch looper, is a moth of the family Geometridae. The species was first described by Carl Peter Thunberg in 1784. It is found in Siberia, Japan, and northern and mountainous parts of North America, and throughout Europe, though in Britain it is largely or entirely restricted to mature forests in central Scotland.
The wingspan is 25–30 mm (0.98–1.18 in). The length of the forewings is 11–13 mm (0.43–0.51 in). It flies during the day, and when at rest often holds its wings closed as a butterfly does. The moth flies in June and July in Britain and in July and August in North America.
The caterpillars feed on bilberry in Britain and on that and other plants of the heath family, such as bearberry, in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 2 | Tatra National Park | 🇸🇰 Slovakia | |
| 3 | Cairngorms National Park | 🇬🇧 United Kingdom |
With luck
About 10% of wildlife watchers report a Rusty Speranza Moth sighting in Tatra National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 118th most-seen of the 142 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
July
In that month about 20% of wildlife watchers report a Rusty Speranza Moth in Tatra National Park on a given day, against under 5% in September to May, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Rusty Speranza Moth sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Rusty Speranza Moth sightings, Tatra National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Hohe Tauern National Park (Austria, about 10%).
Same family: Geometridae
The closest relatives of the Rusty Speranza Moth that you can see in Tatra National Park (family Geometridae, Geometer Moths) are Common Heath (about 20%), Alcis deversata (about 10%) and Mottled Beauty (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rusty Speranza Moth is recorded against all the insects logged in Tatra National Park (5 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.
