Ectobius sylvestris
In 3 days ~20% in a week ~40%
Ectobius sylvestris, known generally as the forest cockroach or lesser cockroach, is a species of cockroach in the family Ectobiidae. It is found in Europe and Northern Asia (excluding China), North America, and temperate Asia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Białowieża National Park | 🇵🇱 Poland | |
| 2 | Bavarian Forest National Park | 🇩🇪 Germany |
With luck
About 10% of wildlife watchers report a Forest Cockroach sighting in Nizhny Novgorod on a given day, based on 16 verified sightings from GBIF citizen-science data. It is the 79th most-seen of the 405 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
April and June–October
In those months about 10% of wildlife watchers report a Forest Cockroach in Nizhny Novgorod on a given day, against under 5% in May and November–March, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Forest Cockroach sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 7 cities where we can rate Forest Cockroach sightings, Nizhny Novgorod ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Helsinki (Finland, about 10%).
GBIF citizen-science records
It is estimated from how often the Forest Cockroach is recorded against all the insects logged in Nizhny Novgorod (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.
