Ryssonotus nebulosus
In 3 days ~20% in a week ~50%
Ryssonotus nebulosus is a beetle of the family Lucanidae, and the sole member of the genus Ryssonotus (often misspelled as "Rhyssonotus"). It is found in Queensland and New South Wales, Australia, as well as introduced into New Zealand. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Royal National Park | 🇦🇺 Australia | |
| 2 | Blue Mountains National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Brown Stag Beetle sighting in Royal National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 83rd most-seen of the 175 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
January
In that month about 20% of wildlife watchers report a Brown Stag Beetle in Royal National Park on a given day, against under 5% in February and April–October, the lowest months.
Between 6 and 9 pm
Across all the parks we cover, that three-hour window holds the most Brown Stag Beetle sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Yes
Of the 2 parks where we can rate Brown Stag Beetle sightings, Royal National Park has the highest daily chance: about 10%. Next come Blue Mountains National Park (Australia, about 10%).
GBIF citizen-science records
It is estimated from how often the Brown Stag Beetle is recorded against all the insects logged in Royal National Park (10 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.
