What are the chances of seeing a Heart Moth in Sierra de Guadarrama National Park?
With luck
About 10% of wildlife watchers report a Heart Moth sighting in Sierra de Guadarrama National Park on a given day, based on 23 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 157th 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 40%, if each day is a fresh chance.
When is the best time to see a Heart Moth in Sierra de Guadarrama National Park?
May to July
In those months about 10% of wildlife watchers report a Heart Moth in Sierra de Guadarrama National Park on a given day, against under 5% in August to April, the lowest months.
What time of day is best to see a Heart Moth?
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Heart Moth sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Is Sierra de Guadarrama National Park the best place to see a Heart Moth?
Yes
Of the 2 parks where we can rate Heart Moth sightings, Sierra de Guadarrama National Park has the highest daily chance: about 10%. Next come Cévennes National Park (France, under 5%).
Which relatives of the Heart Moth live in Sierra de Guadarrama National Park?
Same family: Noctuidae
The closest relatives of the Heart Moth that you can see in Sierra de Guadarrama National Park (family Noctuidae, Cutworm Moths and Allies) are Silver Υ (about 10%), Turnip Moth (about 10%) and Common Quaker (about 10%), with each one's daily chance of a sighting.
Where does the Heart Moth sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Heart Moth is recorded against all the insects logged in Sierra de Guadarrama National Park (23 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.