Cinnamon ibon
species of bird

The cinnamon ibon (Hypocryptadius cinnamomeus) is a species of bird endemic to the mountains of Mindanao in the Philippines. Monotypic within the genus Hypocryptadius, it is classified as a sparrow. Its natural habitat is tropical moist montane forests and mossy forests above 1,000 metres (3,300 ft).
Description and taxonomy
Monotypic within the genus Hypocryptadius, it is classified as a sparrow after being tentatively placed in the white-eye family Zosteropidae. It has a skull and bill similar to that of the sparrows, and following a study of its mitochondrial and nuclear DNA as well as skeletal evidence, Jon Fjeldså and colleagues placed the species as the most basal member of that family and a distinct subfamily.
Ecology and behavior
Forages in the understory for insects and often joins mixed-species flocks that include Black-and-cinnamon fantail, Little pied flycatcher, Turquoise flycatcher, Negros leaf warbler and other small birds.
Nothing has been published about its breeding behaviour. Birds in breeding condition and enlarged gonads have been collected in February to May.
Habitat and conservation status
Its habitat is in tropical moist montane and sub-montane mossy forests and forest edge above 1,000 meters above sea level.
IUCN has assessed this bird as a least-concern species .
Begin with the source’s own compact description: “Cinnamon ibon” is species of bird. The dossier treats that line as a proposition to test through Cinnamon, ibon and species, not as a finished interpretation.
Why this record matters
The phrase “species of bird” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated May 21, 2026. The linked authority identifier is Q603228. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Cinnamon ibon”, its source revision and the description used here.
- Expand the search: follow Cinnamon ibon primary sources, Cinnamon ibon archive and Cinnamon research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Cinnamon ibon”?
- Has classification or technical consensus changed since the cited source?
- Is the terminology current, historical or disputed?
Search terms from this dossier
This entry incorporates text from “Cinnamon ibon” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.