Chrysopilus cristatus
In 3 days ~10% in a week ~30%
Chrysopilus cristatus, is a species of 'snipe flies' belonging to the family Rhagionidae. This species is present in most of Europe. The flies are 6 to 8 millimeters long. Similar to Chrysopilus erythrophthalmus, but slightly smaller than this species. The males are blackish-brown: the females have obvious yellow-grey dusting. The femora are dark grey. The tibia and metatarsus are yellow. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Pyrénées National Park | 🇫🇷 France |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Birmingham | 🇬🇧 United Kingdom | |
| 2 | Manchester | 🇬🇧 United Kingdom | |
| 3 | Liverpool | 🇬🇧 United Kingdom | |
| 4 | Leeds | 🇬🇧 United Kingdom | |
| 5 | Rotterdam [The Hague] | 🇳🇱 Netherlands | |
| 6 | London | 🇬🇧 United Kingdom |
Rare
Under 5% of wildlife watchers report a Black Snipefly sighting in Rotterdam [The Hague] on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 265th most-seen of the 355 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
In that month about 10% of wildlife watchers report a Black Snipefly in Rotterdam [The Hague] on a given day, against under 5% in July to May, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Black Snipefly sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
5th of 6
Of the 6 cities where we can rate Black Snipefly sightings, Rotterdam [The Hague] ranks 5th at under 5%. The best odds are in Birmingham (United Kingdom, about 10%), Manchester (United Kingdom, about 10%) and Liverpool (United Kingdom, about 10%).
GBIF citizen-science records
It is estimated from how often the Black Snipefly is recorded against all the insects logged in Rotterdam [The Hague] (6 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.
