Xyloryctes jamaicensis
In 3 days ~20% in a week ~40%
Xyloryctes jamaicensis, known generally as the rhinoceros beetle or unicorn beetle, is a species of rhinoceros beetle in the family Scarabaeidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Dallas | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Eastern Rhinoceros Beetle sighting in Great Smoky Mountains National Park on a given day, based on 21 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 236th most-seen of the 822 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 to October
In those months about 10% of wildlife watchers report an Eastern Rhinoceros Beetle in Great Smoky Mountains National Park on a given day, against under 5% in November to May, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Eastern Rhinoceros Beetle sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 2 parks where we can rate Eastern Rhinoceros Beetle sightings, Great Smoky Mountains National Park has the highest daily chance: about 10%. Next come Shenandoah National Park (United States, under 5%).
Same family: Scarabaeidae
The closest relatives of the Eastern Rhinoceros Beetle that you can see in Great Smoky Mountains National Park (family Scarabaeidae, Scarabs) are Japanese Beetle (about 20%), High Mountain June Beetle (about 10%) and Grapevine Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Eastern Rhinoceros Beetle is recorded against all the insects logged in Great Smoky Mountains National Park (21 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.
