Heteropogon macerinus
In 3 days ~10% in a week ~30%
Heteropogon macerinus is a species of robber fly in the family Asilidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Chicago | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an Eastern Twigsitter sighting in Baltimore on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 308th most-seen of the 705 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
August and September
In those months about 10% of wildlife watchers report an Eastern Twigsitter in Baltimore on a given day, against under 5% in October to July, the lowest months.
Yes
Of the 3 cities where we can rate Eastern Twigsitter sightings, Baltimore has the highest daily chance: under 5%. Next come Washington (United States, under 5%) and Chicago (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Eastern Twigsitter is recorded against all the insects logged in Baltimore (16 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.
