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South Island oystercatcher

species of bird

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 14, 2026
Entity authorityQ1267686 ↗
Source-derived summary

The South Island oystercatcher or South Island pied oystercatcher (Haematopus finschi) is one of two common oystercatcher species found in New Zealand. Its name is often contracted to the acronym "SIPO" (rhyming with "typo"). The indigenous Māori name is tōrea. The scientific name commemorates the German ethnographer, naturalist and colonial explorer Friedrich Hermann Otto Finsch (8 August 1839 – 31 January 1917, Braunschweig).

Description

The South Island oystercatcher is easily identifiable as a pied oystercatcher – a large wader with striking black and white plumage, long red-orange bill, and red legs. It is distinguished from the pied morph of the variable oystercatcher by a white lower back, more white on the wing, and a demarcation line of black and white further forward on the breast, and from the pied oystercatcher of Australia by a longer bill and shorter legs, as well as the forward demarcation line of white on the back being pointed rather than square. It is 46 cm in length; its wingspan is 80–86 cm; it weighs 550 g.

Distribution and habitat

The South Island oystercatcher is endemic to New Zealand where it breeds inland on the South Island, after which most of the population moves to estuaries and harbors on the North Island. It has been recorded occasionally as a vagrant on Norfolk Island, Lord Howe Island, and the eastern coast of mainland Australia. Its breeding habitat comprises braided river systems, open paddocks, cultivated land, lake beaches, subalpine tundra, and herb fields.

Editorial summary

The public source identifies “South Island oystercatcher” as species of bird. This brief keeps that definition visible, then builds a research path around South, Island and oystercatcher.

Editorial reviewA practical orientation to terminology and classification, particularly when read beside dated observations, specimens or technical literature. The current lead gives the account dated anchors—1839, 1917—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with South, Island and oystercatcher providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “South Island oystercatcher”, the useful work is to connect “species of bird” to the records capable of establishing context and consequence.

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 Apr 14, 2026. The linked authority identifier is Q1267686. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1839 and 1917.

Critical limits

Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. 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.

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  • Classification context
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Source & attribution

This entry incorporates text from “South Island oystercatcher” 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.