Ponera pennsylvanica
In 3 days ~10% in a week ~20%
Ponera pennsylvanica is a species of ant that is usually found in mesic forests in Eastern North America. The species' nests are usually found under rotting logs, in rotting stumps or logs, in acorns, in soil, and in leaf mold. Ant colonies usually have no more than 100 worker ants. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | New York City | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Boston | 🇺🇸 United States | |
| 5 | Montreal | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Common Porthole Ant sighting in New York City on a given day, based on 91 verified sightings from GBIF citizen-science data. It is the 305th most-seen of the 1623 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
In that month about 10% of wildlife watchers report a Common Porthole Ant in New York City on a given day, against under 5% in May to March, the lowest months.
Among the best
Of the 5 cities where we can rate Common Porthole Ant sightings, New York City ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Washington (United States, under 5%).
Same family: Formicidae
The closest relatives of the Common Porthole Ant that you can see in New York City (family Formicidae, Ants) are Eastern Black Carpenter Ant (about 10%), Central European Bicolored Ant (about 10%) and American Winter Ant (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Porthole Ant is recorded against all the insects logged in New York City (91 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.
