Dysgonia algira
In 3 days ~20% in a week ~30%
Dysgonia algira, the passenger, is a moth of the family Noctuidae. The species was first described by Carl Linnaeus in 1767 and is found in the Palearctic - from the southern half of Europe and parts of North Africa through West, Central and South Asia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 3 | Pyrénées National Park | 🇫🇷 France | |
| 4 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
With luck
About 10% of wildlife watchers report a The Passenger sighting in Sierra de Guadarrama National Park on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 244th most-seen of the 597 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.
May and July–September
In those months about 10% of wildlife watchers report a The Passenger in Sierra de Guadarrama National Park on a given day, against under 5% in June and October–April, the lowest months. Those are among Sierra de Guadarrama National Park's driest months, with about 40 mm of rain a month against 110 mm in November.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most The Passenger sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 4 parks where we can rate The Passenger sightings, Sierra de Guadarrama National Park ranks 4th at about 10%, level with the leaders once rounded. The best odds are in Cévennes National Park (France, about 10%), Sierra Nevada National Park (Spain, about 10%) and Pyrénées National Park (France, about 10%).
Same family: Erebidae
The closest relatives of the The Passenger that you can see in Sierra de Guadarrama National Park (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Cinnabar Moth (about 20%), Jersey Tiger (about 10%) and Oak Yellow Underwing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the The Passenger is recorded against all the insects logged in Sierra de Guadarrama National Park (15 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.
