What are the chances of seeing a Large Beech Piercer in Sierra Nevada National Park?
With luck
About 10% of wildlife watchers report a Large Beech Piercer sighting in Sierra Nevada National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 169th most-seen of the 479 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.
When is the best time to see a Large Beech Piercer in Sierra Nevada National Park?
August and September
In those months about 30% of wildlife watchers report a Large Beech Piercer in Sierra Nevada 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 Large Beech Piercer?
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Large Beech Piercer sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Is Sierra Nevada National Park the best place to see a Large Beech Piercer?
Yes
Of the 3 parks where we can rate Large Beech Piercer sightings, Sierra Nevada National Park has the highest daily chance: about 10%. Next come Bavarian Forest National Park (Germany, about 10%) and Cévennes National Park (France, about 10%).
Where does the Large Beech Piercer sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Large Beech Piercer is recorded against all the insects logged in Sierra Nevada National Park (12 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.