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Hudson Bay toad

subspecies of amphibian

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 16, 2026
Entity authorityQ16939016 ↗
Source-derived summary

The Hudson Bay toad (Anaxyrus americanus copei) is a rare subspecies of the American toad. As suggested by its name, it is found in the Hudson Bay region in Ontario and Quebec, Canada. However, the status of Anaxyrus americanus subspecies is unclear, and Anaxyrus americanus copei is not listed in the 2012 edition of the "Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico".

Editorial summary

Begin with the source’s own compact description: “Hudson Bay toad” is subspecies of amphibian. The dossier treats that line as a proposition to test through Hudson, toad and subspecies, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2012—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Hudson, toad and subspecies is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “subspecies of amphibian” 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

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Apr 16, 2026. The linked authority identifier is Q16939016. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2012.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. 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

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Hudson Bay toad”, its source revision and the description used here.
  2. Expand the search: follow Hudson Bay toad primary sources, Hudson Bay toad archive and Hudson 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 “Hudson Bay toad”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Hudson Bay toad” 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.