Aglossa pinguinalis
In 3 days ~10% in a week ~30%
Aglossa pinguinalis, the large tabby or grease moth, is a moth in the subfamily Pyralinae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. The dark-hued larvae feed on animal fats. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Pyrénées National Park | 🇫🇷 France | |
| 2 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
Rare
Under 5% of wildlife watchers report a Large Tabby sighting in Portland on a given day, based on 30 verified sightings from GBIF citizen-science data. It is the 172nd most-seen of the 507 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.
June and July
In those months about 10% of wildlife watchers report a Large Tabby in Portland on a given day, against under 5% in August to May, the lowest months. Those are among Portland's driest months, with about 35 mm of rain a month against 250 mm in December.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Large Tabby sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
13th of 29
Of the 29 cities where we can rate Large Tabby sightings, Portland ranks 13th at under 5%. The best odds are in Helsinki (Finland, about 10%), Seattle (United States, about 10%) and Vienna (Austria, about 10%).
Same family: Pyralidae
The closest relatives of the Large Tabby that you can see in Portland (family Pyralidae, Pyralid Snout Moths) are Meal Moth (about 10%) and Indian-Meal Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Large Tabby is recorded against all the insects logged in Portland (30 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.
