CACrown ArchivesThe cinema collection
Menu
Research dossier · Science & Nature

Curve-billed thrasher

species of bird

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionDec 5, 2025
Entity authorityQ931391 ↗
Source-derived summary

The curve-billed thrasher (Toxostoma curvirostre) is a medium-sized mimid native to most of Mexico and to the deserts of southwestern United States. It is a non-migratory species, and throughout most of its range it is the most common desert thrasher. Several subspecies have been classified since 1827, though there is no consensus on the number. Allopatric speciation is believed to have played a major role in the variations of the curve-billed. It is grey-brown overall with a slightly curved bill, and is similar in appearance to the related Bendire's thrasher. It generally resides in desert regions of the United States and Mexico, but can inhabit areas predominately populated by humans.

The demeanor of the curve-billed has been described as "shy and rather wild", but it allows humans to view it closely. It is very aggressive in driving out potential threats, whether competitors for food or predators of its chicks. The curve-billed thrasher sometimes mimics several other species, though not to the extent of other mimics. It has a variety of distinctive songs, and this extensive repertoire of melodies has led it to be known as cuicacoche (songbird) in Mexico.

Editorial summary

Begin with the source’s own compact description: “Curve-billed thrasher” is species of bird. The dossier treats that line as a proposition to test through Curve-billed, thrasher and species, not as a finished interpretation.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—1827—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Curve-billed, thrasher and species is the immediate research focus.
Editorial analysis

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.

Evidence profile

Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Dec 5, 2025. The linked authority identifier is Q931391. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1827.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. 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.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Curve-billed thrasher”, its source revision and the description used here.
  2. Expand the search: follow Curve-billed thrasher primary sources, Curve-billed thrasher archive and Curve-billed research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Curve-billed thrasher”?
  2. Has classification or technical consensus changed since the cited source?
  3. Is the terminology current, historical or disputed?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Curve-billed thrasher” 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.