Cyaniris semiargus
In 3 days ~20% in a week ~40%
Cyaniris semiargus, the Mazarine blue, is a Palearctic butterfly in the family Lycaenidae. There was a large native population in Britain in the early part of the 19th century, but it disappeared before the 20th century, though single vagrants have been spotted, and some estimates of British resident extinction... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 2 | Mercantour National Park | 🇫🇷 France | |
| 3 | Vanoise National Park | 🇫🇷 France | |
| 4 | Aigüestortes National Park | 🇪🇸 Spain | |
| 5 | Triglav National Park | 🇸🇮 Slovenia | |
| 6 | Ecrins National Park | 🇫🇷 France | |
| 7 | Pyrénées National Park | 🇫🇷 France | |
| 8 | Cévennes National Park | 🇫🇷 France | |
| 9 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Novosibirsk | 🇷🇺 Russia | |
| 2 | Helsinki | 🇫🇮 Finland | |
| 3 | Moscow | 🇷🇺 Russia | |
| 4 | Munich | 🇩🇪 Germany | |
| 5 | Saint Petersburg | 🇷🇺 Russia |
With luck
About 10% of wildlife watchers report a Mazarine Blue sighting in Novosibirsk on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 95th most-seen of the 216 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.
June
In that month about 20% of wildlife watchers report a Mazarine Blue in Novosibirsk on a given day, against under 5% in August to May, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Mazarine Blue sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 5 cities where we can rate Mazarine Blue sightings, Novosibirsk has the highest daily chance: about 10%. Next come Helsinki (Finland, under 5%) and Moscow (Russia, under 5%).
Same family: Lycaenidae
The closest relatives of the Mazarine Blue that you can see in Novosibirsk (family Lycaenidae, Gossamer-winged Butterflies) are Common Blue (about 20%), Plebejus amanda (about 10%) and Short-Tailed Blue (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Mazarine Blue is recorded against all the insects logged in Novosibirsk (13 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.
