Argynnina cyrila
In 3 days ~10% in a week ~30%
Argynnina cyrila, or Cyril's brown, is a butterfly of the family Nymphalidae. It is found in Australia in southern Queensland, New South Wales, South Australia and Victoria. The wingspan is about 40 mm. The larvae feed on various grasses. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Wilsons Promontory National Park | 🇦🇺 Australia | |
| 2 | Great Otway National Park | 🇦🇺 Australia | |
| 3 | Royal National Park | 🇦🇺 Australia | |
| 4 | Blue Mountains National Park | 🇦🇺 Australia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sydney | 🇦🇺 Australia |
Rare
Under 5% of wildlife watchers report a Cyril's Brown sighting in Blue Mountains National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 554th most-seen of the 789 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.
September to November
In those months about 10% of wildlife watchers report a Cyril's Brown in Blue Mountains National Park on a given day, against under 5% in December to August, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Cyril's Brown sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
4th of 4
Of the 4 parks where we can rate Cyril's Brown sightings, Blue Mountains National Park ranks 4th at under 5%. The best odds are in Wilsons Promontory National Park (Australia, about 10%), Great Otway National Park (Australia, about 10%) and Royal National Park (Australia, about 10%).
Same family: Nymphalidae
The closest relatives of the Cyril's Brown that you can see in Blue Mountains National Park (family Nymphalidae, Brush-footed Butterflies) are Swordgrass Brown (about 40%), Common Brown (about 30%) and Australian Painted Lady (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Cyril's Brown is recorded against all the insects logged in Blue Mountains National Park (7 verified sightings from 2019 to 2026), 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.
