Siamese Rhinoceros Beetle

Siamese Rhinoceros Beetle

Xylotrupes gideon

Daily sighting probability ~20% · Possible
at Malang

In 3 days ~50% in a week ~80%

5 Verified sightings at Malang
5 In 1 park From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

About the Siamese Rhinoceros Beetle

Xylotrupes gideon, the brown rhinoceros beetle, is a species of large scarab beetle belonging to the subfamily Dynastinae. Seven subspecies have been identified. Xylotrupes gideon australicus Xylotrupes gideon borneensis Minck, 1920

This species is widespread in India, Sri Lanka, Thailand, Indonesia: Java (nominotypical form), Borneo (borneensis), Sunda Islands and Moluccas. Xylotrupes gideon can reach a length of 3.5–7 centimetres (1.4–2.8 in). As usual with rhinoceros beetles there is a great difference between the genders. Males are larger than females. They have two chitinous bifurcated horns, a thick thoracic horn and a smaller cephalic horn, which they use to eliminate their rivals during the mating period. These beetles are shiny dark red, dark brown, or black in coloration. The eyes are located on each side of the head. When disturbed these beetles make a hissing noise, produced by... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Kinabalu Park 🇲🇾 Malaysia
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Jakarta 🇮🇩 Indonesia
~20%
2 Bandung 🇮🇩 Indonesia
~20%
3 Malang 🇮🇩 Indonesia
~20%
4 Tasikmalaya 🇮🇩 Indonesia
~20%
5 Yogyakarta 🇮🇩 Indonesia
~20%
6 Denpasar 🇮🇩 Indonesia
~20%

Before you go

What are the chances of seeing a Siamese Rhinoceros Beetle in Malang?

Possible

About 20% of wildlife watchers report a Siamese Rhinoceros Beetle sighting in Malang on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 11th most-seen of the 18 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.

When is the best time to see a Siamese Rhinoceros Beetle in Malang?

April

In that month about 50% of wildlife watchers report a Siamese Rhinoceros Beetle in Malang on a given day, against under 5% in January–February, May–August and November, the lowest months.

What time of day is best to see a Siamese Rhinoceros Beetle?

Between 6 and 9 am

Across all the parks we cover, that three-hour window holds the most Siamese Rhinoceros Beetle sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Malang the best place to see a Siamese Rhinoceros Beetle?

Among the best

Of the 6 cities where we can rate Siamese Rhinoceros Beetle sightings, Malang ranks 3rd at about 20%, level with the leaders once rounded. The best odds are in Jakarta (Indonesia, about 20%) and Bandung (Indonesia, about 20%).

Where does the Siamese Rhinoceros Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Siamese Rhinoceros Beetle is recorded against all the insects logged in Malang (5 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.

← Back to Malang