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IUCN status: Least ConcernDiadem Roundleaf Bat at a glance
The Diadem Roundleaf Bat (Hipposideros diadema) is a mammal in the family Hipposideridae. In Indonesia, observation records come mainly from West Java, North Sumatra, East Nusa Tenggara. Diet: insect-eater (insectivore), occasionally small birds and spiders; a carnivore. IUCN Red List status: Least Concern.
| Scientific name | Hipposideros diadema |
|---|---|
| Indonesian name | Barong besar |
| Group | Mammals |
| Family | Hipposideridae |
| Observation records | West Java, North Sumatra, East Nusa Tenggara |
| Linked habitats | Tropical Rainforests |
| Taxonomic group | Chiroptera |
| GBIF records | 135 human-observation records, 2016–2026 |
| Data retrieved | 2026-09-23 |
| IUCN status | Least Concern · IUCN Red List (via GBIF) · checked 1 October 2026 |
| Diet type | Carnivore (meat-eater) — insect-eater (insectivore), occasionally small birds and spiders · Animal Diversity Web |
| Reproduction | Giving birth to live young (viviparous) · Animal Diversity Web |
| Active | Nocturnal (active at night) · EltonTraits 1.0 (Wilman et al. 2014, Ecology 95:2027), MamFuncDat.txt |
In this guide (13)
What is the Diadem Roundleaf Bat?
Diadem Roundleaf Bat refers to Hipposideros diadema, in the genus Hipposideros, family Hipposideridae, and order Chiroptera. The scientific name follows the accepted taxon in the GBIF Backbone Taxonomy. Common names can vary between places; the scientific name distinguishes this species from relatives.
What is known about the Diadem Roundleaf Bat?
The diadem roundleaf bat belongs to Hipposideridae, not Rhinolophidae; nose shape matters, but a single photograph may not settle identification.
Read that fact alongside the scientific name and species source, not as proof from an unclear photograph. Populations, ages and taxonomic limits can differ; when identification is uncertain, record the broader group.
Evidence: Species account — background reading ↗
Habitat and field observations of the Diadem Roundleaf Bat
Diadem roundleaf bats are reported from forest to agricultural settings. They hunt insects beneath the canopy, through gaps and over streams, sometimes waiting from a perch.
Evidence: GBIF species treatments — natural-history accounts ↗
How many Indonesian records name the Diadem Roundleaf Bat?
When checked on 2026-09-23, the GBIF search returned 135 human-observation records from Indonesia under this species name for 2016–2026. That is a count of indexed records, not an estimate of population, abundance or unique individuals. Observation effort can vary by location, and the count may change as records are added or identifications revised.
Evidence: GBIF occurrence search — Indonesia, human observations, 2016–2026 ↗
Where were observations reported?
Place labels appearing in the results include West Java, North Sumatra, East Nusa Tenggara. They are labels attached to records, not a complete range map or evidence that the species occurs only there. Some labels may be broad or inconsistent. Check the underlying records before using the location information for field decisions.
Evidence: GBIF occurrence search — Indonesia, human observations, 2016–2026 ↗
How can you observe the Diadem Roundleaf Bat?
Watch from a distance, do not feed, and avoid sharing precise locations of vulnerable dens or resting sites. Do not try to catch or touch wild mammals. A well-documented sighting helps others check the identification without turning one encounter into a conservation-status claim.
Explore related animals
To explore this group further, compare Diadem Roundleaf Bat with Fawn Roundleaf Bat, Lesser false vampire bat, Large Flying-fox. These links reflect a shared genus, family, order, class or catalogue group; taxonomic proximity does not imply identical habitat needs or conservation status.
Explore related habitats
These habitat relationships are supported by species sources in this guide. This is not a complete range map.
Scientific classification of the Diadem Roundleaf Bat
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Mammalia |
| Order | Chiroptera |
| Family | Hipposideridae |
| Genus | Hipposideros |
| Species | Hipposideros diadema |
Source: GBIF Backbone Taxonomy, adjusted to the ranks commonly used in school biology (for example class Reptilia).
Common questions about the Diadem Roundleaf Bat
What is the scientific name of the Diadem Roundleaf Bat?
The scientific name of the Diadem Roundleaf Bat is Hipposideros diadema, in the family Hipposideridae and the order Chiroptera. In Indonesian it is called Barong besar.
What kind of animal is the Diadem Roundleaf Bat?
The Diadem Roundleaf Bat is a mammal in the family Hipposideridae. By diet it is a carnivore (meat-eater): a insect-eater (insectivore), occasionally small birds and spiders.
Where does the Diadem Roundleaf Bat live in Indonesia?
Observation records of the Diadem Roundleaf Bat summarised in this guide mainly come from West Java, North Sumatra, East Nusa Tenggara. That list is not a complete range map.
Source-supported habitats: Tropical Rainforests.
What does the Diadem Roundleaf Bat eat?
The Diadem Roundleaf Bat is a insect-eater (insectivore), occasionally small birds and spiders. That makes it a carnivore (meat-eater). Source: Animal Diversity Web.
How does the Diadem Roundleaf Bat reproduce?
The Diadem Roundleaf Bat reproduces by giving birth to live young (viviparous). Source: Animal Diversity Web.
Is the Diadem Roundleaf Bat nocturnal?
The cited source records the Diadem Roundleaf Bat as nocturnal (active at night). Source: EltonTraits 1.0 (Wilman et al. 2014, Ecology 95:2027), MamFuncDat.txt.
See also the list of nocturnal and diurnal animals in Indonesia.
What is the scientific classification of the Diadem Roundleaf Bat?
Scientific classification of the Diadem Roundleaf Bat: kingdom Animalia, phylum Chordata, class Mammalia, order Chiroptera, family Hipposideridae, genus Hipposideros, species Hipposideros diadema.
Source: GBIF Backbone Taxonomy, adjusted to the ranks commonly used in school biology.
Is the Diadem Roundleaf Bat endangered?
No, according to the global IUCN assessment. On the IUCN Red List, the Diadem Roundleaf Bat is listed as Least Concern: it does not qualify for a threatened category or for Near Threatened in the global assessment. Source: IUCN Red List (via GBIF), checked 1 October 2026.
This global category is separate from legal protection in Indonesia. To check whether the Diadem Roundleaf Bat is a protected species, consult the current national list of protected species or contact the local BKSDA (natural resources conservation office).
Sources & references
- GBIF Backbone Taxonomy — accepted taxon ↗
- GBIF occurrence search — Indonesia, human observations, 2016–2026 ↗
- GBIF species treatments — natural-history accounts ↗
- iNaturalist — exact species taxon and community observations ↗
- Species account — background reading ↗
- Animal Diversity Web ↗
- Animal Diversity Web ↗
- EltonTraits 1.0 (Wilman et al. 2014, Ecology 95:2027), MamFuncDat.txt ↗
- GBIF Backbone Taxonomy (GBIF) ↗
- IUCN Red List of Threatened Species, version 2026-1, via GBIF (CC BY 4.0) ↗
References can change. Check dates and context in the original source. How we use sources and data →
Cite this page
Credit PanduanHewan when referring to this page. Check the original evidence sources before reusing a claim.
PanduanHewan. Diadem Roundleaf Bat (Hipposideros diadema). Last substantive update: 1 October 2026. https://panduanhewan.org/en/species/hipposideros-diadema/