What are the chances of seeing a Blood Vein in Wadden Sea National Park?
With luck
About 10% of wildlife watchers report a Blood Vein sighting in Wadden Sea National Park on a given day, based on 48 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 125th most-seen of the 818 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see a Blood Vein in Wadden Sea National Park?
August
In that month about 20% of wildlife watchers report a Blood Vein in Wadden Sea National Park on a given day, against under 5% in October to May, the lowest months.
What time of day is best to see a Blood Vein?
Between 11 pm and 2 am
Across all the parks we cover, that three-hour window holds the most Blood Vein sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
Is Wadden Sea National Park the best place to see a Blood Vein?
Among the best
Of the 4 parks where we can rate Blood Vein sightings, Wadden Sea National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Białowieża National Park (Poland, about 10%).
Which relatives of the Blood Vein live in Wadden Sea National Park?
Same family: Geometridae
The closest relatives of the Blood Vein that you can see in Wadden Sea National Park (family Geometridae, Geometer Moths) are Riband Wave (about 10%), Yellow Shell Moth (about 10%) and Small Engrailed (about 10%), with each one's daily chance of a sighting.
Where does the Blood Vein sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Blood Vein is recorded against all the insects logged in Wadden Sea National Park (48 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.