CACrown ArchivesThe cinema collection
Menu
Research dossier · Science & Nature

Sand-coloured nighthawk

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 revisionJul 12, 2026
Entity authorityQ29249
Source-derived summary

The sand-colored nighthawk (Chordeiles rupestris) is a species of nightjar in the family Caprimulgidae. It is found in Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela.

Taxonomy and systematics

Major taxonomic systems recognize two subspecies of sand-colored nighthawk, the nominate Chordeiles rupestris rupestris and C. r. xylostictus. However, at least two authors contend it is better treated as monotypic.

Description

The sand-colored nighthawk is 20.5 to 22 cm (8.1 to 8.7 in) long. Its upperparts are pale grayish brown with darker brown streaks, bars, and spots. The chin and throat are white to buffy white, the breast grayish white with a cinnamon tinge and brown bars and spots, and the belly white with brown spots on its upper part. The underside of the wing is also mostly white.

Distribution and habitat

The nominate subspecies of sand-colored nighthawk is found widely in northwestern Amazonia of southeastern Colombia, southwestern Venezuela, northeastern Peru, and northwestern Brazil.

Editorial summary

Begin with the source’s own compact description: “Sand-coloured nighthawk” is species of bird. The dossier treats that line as a proposition to test through Sand-coloured, nighthawk 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 152-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. For this dossier, Sand-coloured, nighthawk 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

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jul 12, 2026. The linked authority identifier is Q29249. None of the 0 selected statements returned an explicit reference.

Critical limits

A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. 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.

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 “Sand-coloured nighthawk”, its source revision and the description used here.
  2. Expand the search: follow Sand-coloured nighthawk primary sources, Sand-coloured nighthawk archive and Sand-coloured 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 “Sand-coloured nighthawk”?
  2. Which observation, specimen, dataset or publication supports the account?
  3. Is the terminology current, historical or disputed?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Sand-coloured nighthawk” 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.