New Zealand Dotterel

Fascinating facts about the New Zealand Dotterel

• In 1992 the southern New Zealand dotterel was on the brink of extinction with just about 70 individuals left, yet by 2010 conservation actions had lifted the count to nearly 300, showing how targeted predator control can turn the tide for a species.
• A newborn chick can leave the nest and toddle across the sand the very day it hatches, because the shallow ground nests mean the eggs are laid only 41.3–49.7 mm long and weigh up to 26.5 g, and the parents never feed them.
• While the northern subspecies averages 144 g, the southern birds tip the scales at 162 g, making them the bulkier of the two despite sharing the same 26–28 cm length.
• Between 1988 and 1992 the southern population fell to about 62 birds, but intensive measures like poisoning feral cats and rats helped it rebound to roughly 250 individuals by 2005, highlighting the impact of managing invasive predators.
• A decade-long survey on the Mahia Peninsula showed the local dotterel numbers more than double, rising to 222 birds in 2021 after being absent since the late 1800s, proving that even long-lost colonies can recover with protection.

At a glance

About the New Zealand Dotterel

The New Zealand dotterel, known in Māori as tūturiwhatu, pukunui, and kūkuruatu, is a strikingly robust shorebird endemic to the islands of New Zealand. Measuring 26–28 cm in length, the southern birds tip the scales at an average 162 g, a few grams heavier than their northern cousins at 144 g. Their plumage is a muted palette of dusky tones, hinted at by the Latin epithet obscurus, yet the name "red-breasted plover" hints at a subtle splash of colour on the chest that catches the eye on sandy beaches and tidal estuaries. These birds favour disjunct habitats: the northern subspecies inhabits the North Island, while the southern form nests on the southern tip of the South Island and Stewart Island/Rakiura, often on beach ridges just above the high-tide line. In breeding season, pairs excavate shallow depressions in the sand to lay two to three speckled eggs, each about 42–50 mm long and weighing up to 26.5 g. Remarkably, the chicks are precocial, taking their first steps the day they hatch and fending for themselves while the parents stand guard, sometimes feigning injury to lure predators away. Their diet is opportunistic, scooping up sand hoppers, insects, and occasional tiny fish or crabs. A surprising trait is their rapid development: within six to eight weeks the fledglings are competent flyers, ready to patrol the same shorelines that once sheltered their vulnerable nests.

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