What are the chances of seeing a Marbled Fritillary in Sierra de Guadarrama National Park?
With luck
About 10% of wildlife watchers report a Marbled Fritillary sighting in Sierra de Guadarrama National Park on a given day, based on 22 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 207th 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.
When is the best time to see a Marbled Fritillary in Sierra de Guadarrama National Park?
June and July
In those months about 10% of wildlife watchers report a Marbled Fritillary in Sierra de Guadarrama National Park on a given day, against under 5% in August to May, the lowest months. Those are among Sierra de Guadarrama National Park's driest months, with about 45 mm of rain a month against 110 mm in November.
What time of day is best to see a Marbled Fritillary?
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Marbled Fritillary sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Sierra de Guadarrama National Park the best place to see a Marbled Fritillary?
6th of 7
Of the 7 parks where we can rate Marbled Fritillary sightings, Sierra de Guadarrama National Park ranks 6th at about 10%. The best odds are in Aigüestortes National Park (Spain, about 20%), Triglav National Park (Slovenia, about 20%) and Mercantour National Park (France, about 10%).
Which relatives of the Marbled Fritillary live in Sierra de Guadarrama National Park?
Same family: Nymphalidae
The closest relatives of the Marbled Fritillary that you can see in Sierra de Guadarrama National Park (family Nymphalidae, Brush-footed Butterflies) are Queen Of Spain Fritillary (about 40%), Speckled Wood (about 30%) and Iberian Marbled White (about 30%), with each one's daily chance of a sighting.
Where does the Marbled Fritillary sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Marbled Fritillary is recorded against all the insects logged in Sierra de Guadarrama National Park (22 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.