Dunlin (Calidris alpina)
Illustration redrawn by AI from a real photograph

Dunlin

Calidris alpina (Linnaeus, 1758)

16–20 cmLength36 cmWingspan52 gWeight

It is a small wader with a black belly in the breeding season and a black, slightly decurved bill.

Busiest months: May · Most records: United States, United Kingdom, Canada

Near Threatened

How to identify

Field marks

  1. Belly black in breeding plumage
  2. Upperparts gray-brown and underparts white in winter plumage
  3. Legs black; bill black and slightly decurved
  4. A single narrow white wing patch in flight

Male, female and young

Juvenile has rufous upperparts with two indistinct white V-shaped markings on the back; female has a longer bill than male.

Voice

A typical sandpiper “chreep”; sings a rough trill during display.

Where and when it's recorded

Dunlin has been recorded at 2,289 of the 8,171 birding hotspots we track, in 129 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Edwin B. Forsythe NWRUnited States11,542 records
  2. Fort De Soto ParkUnited States10,683 records
  3. Bombay Hook National Wildlife RefugeUnited States10,258 records
More places
  1. Howard Marsh MetroparkUnited States9,030 records
  2. Edwin B. Forsythe NWR – Wildlife DriveUnited States8,656 records
  3. Parker River NWRUnited States8,524 records
  4. Hillman Marsh CACanada7,224 records
  5. Titchwell Marsh RSPB ReserveUnited Kingdom6,928 records
  6. Bolivar Flats Shorebird SanctuaryUnited States5,958 records
  7. Billy Frank Jr. Nisqually NWRUnited States5,218 records

Countries and regions with the most records

United StatesUnited KingdomCanadaSpainChinaPortugalIsraelSweden

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The dunlin (Calidris alpina) is a small wader in the genus Calidris. The English name is a dialect form of "dunling", first recorded in 1531–1532.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Dunlin?

The Dunlin is about 16–20 cm long, with a wingspan of 36 cm and weighs around 52 g.

Where does the Dunlin live?

Its breeding range: North America, Palearctic: low (locally high) Arctic to temperate wet tundra of Holarctic: southwest to northeastern Greenland, Iceland, Faroe Islands, northern British Isles, Scandinavia, Baltic states east through northern Russia including Novaya Zemlya (north of northwestern Siberia) and New Siberian Islands (north of east-central Russia), through Chukotskiy Peninsula, western Kamchatka, northern Kurile and northern Sakhalin islands (eastern Russia); Aleutian Islands, western, northern Alaska, northwestern Canada, north-central Canada northern and west of Hudson Bay. It is most often recorded in United States, United Kingdom and Canada.

When is the best time to see the Dunlin?

At the hotspots we track, it is recorded most in May (Northern Hemisphere).

Is the Dunlin endangered?

The IUCN Red List classifies the Dunlin as Near Threatened.

What does the Dunlin eat?

Main food: Fish, shrimp & shellfish.

What family is the Dunlin in?

It belongs to the family Sandpipers, Snipes (Scolopacidae), order Charadriiformes.

At a glance

Length
16–20 cm
Wingspan
36 cm
Weight
52 g
Habitat
Wetland
Diet
Fish, shrimp & shellfish
Lifestyle
Active on the ground
Migration
Migratory
Conservation
Near Threatened
More measurements
Wing
115 mm
Tail
49 mm
Bill
37 mm
Tarsus
25 mm

Averages from the AVONET dataset; length from field guides where available.

Range

North America, Palearctic: low (locally high) Arctic to temperate wet tundra of Holarctic: southwest to northeastern Greenland, Iceland, Faroe Islands, northern British Isles, Scandinavia, Baltic states east through northern Russia including Novaya Zemlya (north of northwestern Siberia) and New Siberian Islands (north of east-central Russia), through Chukotskiy Peninsula, western Kamchatka, northern Kurile and northern Sakhalin islands (eastern Russia); Aleutian Islands, western, northern Alaska, northwestern Canada, north-central Canada northern and west of Hudson Bay

Breeding range, IOC World Bird List 15.2

Subspecies · 2
  • Calidris alpina sakhalina ne Russia to Chukotskiy Pen. | non-breeding: e China, Korean Pen., Japan and Taiwan (China)
  • Calidris alpina arcticola nw Alaska to nw Canada | non-breeding: e China, Korean Pen. and Japan

Classification

Family
Sandpipers, Snipes Scolopacidae
Genus
Calidris

Other birds in the genus Calidris

Dunlin

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Charles Homler d/b/a FocusOnWildlife. ↗

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