Iduna opaca (Cabanis, 1850)
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Western Olivaceous Warbler (Iduna opaca)
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Open encyclopedia reference
The western olivaceous warbler (Iduna opaca), also known as the isabelline warbler, is a "warbler", formerly placed in the Old World warblers when these were a paraphyletic wastebin taxon. It is now considered a member of the acrocephaline warblers, Acrocephalidae, in the tree warbler genus Iduna. It was formerly regarded as part of a wider "olivaceous warbler" species, but as a result of modern taxonomic developments, this species is now usually considered distinct from the eastern olivaceous warbler, Iduna pallida.
Wikipedia contributors, Western olivaceous warbler; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T13:59:52.942228+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Iduna opaca (Cabanis, 1850)
- Name authority
- (Cabanis, 1850)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Passeriformes
- Family
- Acrocephalidae
- Genus
- Iduna
- Extinction status
- Recorded extant
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classAves
- orderPasseriformes
- familyAcrocephalidae Salvin, 1882
- genusIduna Keyserling & J. H. Blasius, 1840
- speciesIduna opaca (Cabanis, 1850)
Close classified relatives
These entries share the source’s genus, Iduna. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Thick-billed WarblerIduna aedon (Pallas, 1776) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
| Booted WarblerIduna caligata (Lichtenstein, 1823) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
| Eastern Olivaceous WarblerIduna pallida (Hemprich & Ehrenberg, 1833) | AcrocephalidaeChordata | Accepted speciesRecorded extant |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=916791 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:6N4X7. Classification follows source parent identifiers. English common names may vary by region.