Odezia atrata
In 3 days ~30% in a week ~60%
Odezia is a monotypic moth genus in the family Geometridae erected by Jean Baptiste Boisduval in 1840. Its only species, Odezia atrata, the chimney sweeper, was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is found in the Palearctic. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 2 | Aigüestortes National Park | 🇪🇸 Spain | |
| 3 | Mercantour National Park | 🇫🇷 France | |
| 4 | Ecrins National Park | 🇫🇷 France | |
| 5 | Cévennes National Park | 🇫🇷 France | |
| 6 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 7 | Vanoise National Park | 🇫🇷 France | |
| 8 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 9 | Pyrénées National Park | 🇫🇷 France | |
| 10 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 11 | Wadden Sea National Park | 🇩🇪 Germany |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Birmingham | 🇬🇧 United Kingdom | |
| 2 | Helsinki | 🇫🇮 Finland | |
| 3 | Moscow | 🇷🇺 Russia |
With luck
About 10% of wildlife watchers report a Chimney-Sweeper sighting in Sierra de Guadarrama National Park on a given day, based on 57 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 61st most-seen of the 597 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
May and June
In those months about 20% of wildlife watchers report a Chimney-Sweeper in Sierra de Guadarrama National Park on a given day, against under 5% in August to April, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Chimney-Sweeper sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
8th of 11
Of the 11 parks where we can rate Chimney-Sweeper sightings, Sierra de Guadarrama National Park ranks 8th at about 10%. The best odds are in Cairngorms National Park (United Kingdom, about 20%), Aigüestortes National Park (Spain, about 20%) and Mercantour National Park (France, about 20%).
Same family: Geometridae
The closest relatives of the Chimney-Sweeper that you can see in Sierra de Guadarrama National Park (family Geometridae, Geometer Moths) are Yellow Shell Moth (about 10%), Heliothea discoidaria (about 10%) and Lythria cruentaria (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Chimney-Sweeper is recorded against all the insects logged in Sierra de Guadarrama National Park (57 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.
