Aquarius elongatus
In 3 days ~10% in a week ~20%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Giant Water Strider sighting in Tokyo on a given day, based on 32 verified sightings from GBIF citizen-science data. It is the 334th most-seen of the 1013 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
April and July
In those months about 10% of wildlife watchers report a Giant Water Strider in Tokyo on a given day, against under 5% in May–June and August–March, the lowest months.
Among the best
Of the 3 cities where we can rate Giant Water Strider sightings, Tokyo ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Taipei (Taiwan, under 5%) and Osaka (Japan, under 5%).
GBIF citizen-science records
It is estimated from how often the Giant Water Strider is recorded against all the insects logged in Tokyo (32 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.
