Sympetrum eroticum
In 3 days ~20% in a week ~50%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Four-Tipped Darter sighting in Tokyo on a given day, based on 214 verified sightings from GBIF citizen-science data. It is the 95th most-seen of the 1013 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.
October
In that month about 20% of wildlife watchers report a Four-Tipped Darter in Tokyo on a given day, against under 5% in December to June, the lowest months. That is one of Tokyo's wettest months, with about 250 mm of rain against 75 mm in February.
6th of 7
Of the 7 cities where we can rate Four-Tipped Darter sightings, Tokyo ranks 6th at about 10%. The best odds are in Daegu (South Korea, about 30%), Nagoya (Japan, about 10%) and Osaka (Japan, about 10%).
Same genus: Sympetrum
The closest relatives of the Four-Tipped Darter that you can see in Tokyo (genus Sympetrum, Meadowhawks) are Autumn Darter (about 10%), Banded Darter (about 10%) and Sympetrum baccha (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Four-Tipped Darter is recorded against all the insects logged in Tokyo (214 verified sightings), 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.
