Calathus ruficollis
In 3 days ~10% in a week ~20%
Calathus ruficollis is a species of ground beetle in the family Carabidae. It is found in western North America, covering the California Floristic Province and continuing to the Pacific Northwest. Calathus ruficollis is flightless, predaceous, and nocturnal. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Los Angeles | 🇺🇸 United States | |
| 2 | San Diego | 🇺🇸 United States | |
| 3 | San Francisco | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Red-Collared Harp Ground Beetle sighting in San Diego on a given day, based on 32 verified sightings from GBIF citizen-science data. It is the 248th most-seen of the 693 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.
November
In that month about 10% of wildlife watchers report a Red-Collared Harp Ground Beetle in San Diego on a given day, against under 5% in December to October, the lowest months.
Among the best
Of the 3 cities where we can rate Red-Collared Harp Ground Beetle sightings, San Diego ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Los Angeles (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Red-Collared Harp Ground Beetle is recorded against all the insects logged in San Diego (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.
