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Cabañeros National Park
Cabañeros

By Mariano Gómez · Updated on

Sanderling with very pale white-and-grey plumage, in profile on some dark rocks on the shore, with black bill and legs

Birds

Sanderling, the pale runner that follows the waves along beaches in winter

Calidris albaHear its song0:09

Characteristics of the Sanderling

Order
Charadriiformes
Family
Scolopacidae
Species
Calidris alba
A429.7 cm40–45 cm
Wingspan compared with a sheet of A4 paper.
Length
20–21 cm
Wingspan
40–45 cm
Weight
46–73 g
Social life
Some birds, above all second-year ones, stay in Spain over the summer
Lifespan
Record of 18.6 years in the wild according to AnAge; EURING lists a bird ringed in Great Britain that lived 18 years and 7 months

Conservation status

  1. LC
Global (IUCN)
Least Concern
Spain
Least Concern (LC) as a winter visitor and migrant in the Red Book of the Birds of Spain; on the List of Wild Species under Special Protection, but not in the Spanish Catalogue of Threatened Species

When to see it

Winter visitor
Months of the year when it is present
JFMAMJJASOND
In Iberiayesyesyesyesyesnononoyesyesyesyes

Song or voice of the Sanderling

In flight it gives a characteristic «tuic-tuic»1. The recording (nocturnal flight call) is by Ricardo Hevia and was made at Ortegal (near Cariño), A Coruña, Galicia (xeno-canto XC937830, quality A). It lasts 9 seconds and is a trimmed section of the original, without repeating or lengthening, from which we have removed the bass below 300 Hz, reduced the background noise and adjusted the volume; neither pitch nor speed has been changed.

Nocturnal flight callSanderling
0:00 / 0:09
The sonogram draws the sound: time runs from left to right, and the higher a trace sits, the higher the note.Recording by Ricardo Hevia, xeno-canto XC937830, A Coruña, Galicia (CC BY-NC-SA 4.0, uso no comercial).

Flight of the Sanderling

In flight it shows visible pale lengthwise bands on both wings and the pale rump, cut vertically by a black band. It is a winter visitor on the Peninsula, the Balearics and the Canaries, with a marked migration passage, above all between September and October and between April and May.

Flight type Swift run after the waves; in flight, pale bands on the wings

Side viewTop view123
  1. It is usually seen racing along beaches at speed, chasing the small prey that the surf carries in.

  2. In flight it shows visible pale lengthwise bands on both wings and the pale rump, cut vertically by a black band.

  3. In flight it gives a characteristic «tuic-tuic».

Identification of the Sanderling

The Sanderling is a good-sized wader of fairly pale plumage, usually seen racing along beaches at speed, chasing the small prey that the surf carries in. The adult in breeding plumage shows a dark orange tinge, due to the chestnut colour of the head, neck and breast, with fine dark streaks; the upperpart feathers are black with orange notches and white margins, and the tertials show lengthwise orange bands on a black background, but the belly is white. The non-breeding adult is, by contrast, very pale grey, with white edges to the upperpart feathers and a dark carpal patch. The young bird is somewhat darker, with yellowish sides to the neck and black upperpart feathers with whitish notches; it differs from adults by its greater contrast, with dark crown, cream sides of the neck and chequered back. In flight it shows visible pale lengthwise bands on both wings and the pale rump, cut vertically by a black band.

Breeding adult

Non-breeding and young bird

Habitat and distribution of the Sanderling

It breeds around the Arctic, on the northern coasts of America, Greenland and northern Asia. It is one of the birds that make the longest journeys on the planet: it winters in southern South America, South Africa and tropical Africa, and even in Australia and New Zealand; there are also winter visitors in Europe and in the Mediterranean basin.

In Spain the population is located in winter mainly on the Andalusian Atlantic coastal areas, and is scarcer on the Cantabrian coast, Galicia, the Mediterranean coast and the Canaries1. On migration passage, Mediterranean sites such as the Ebro delta, the coasts of both archipelagos and inland wetlands of the peninsula are added to the wintering areas.

In the breeding season it settles in high latitudes of very cold climates, where land covered in turf, lichens and moss abounds. Outside it, it occupies mainly beaches and, marginally, salt pans, lagoons and similar environments near the coast, as well as inland waters.

It is a winter visitor on the Peninsula, the Balearics and the Canaries, with a marked migration passage, between September and October and between April and May, and scarce summering birds: some birds, above all second-year ones, stay in Spain over the summer.

Cabañeros
Areas where it is regularly recorded since 2010Squares of about 25 km where it is recorded regularly (occasional passage records are left out). Data from GBIF.org (97,121 records, retrieved October 2026); outline from Natural Earth.

Etymology of the Sanderling

According to Wikipedia, its English name, «sanderling», derives from the Old English «sand-yrðling», «sand ploughman». In other languages it is called «territ de tres dits» in Catalan, «pilro tridáctilo» in Galician, «txirri zuria» in Basque and «sanderling» in English1. We have not found a source explaining the origin of its Spanish or scientific name, so we do not venture one.

Population of the Sanderling

In the 2021 European Red List of Birds, the European breeding population is estimated at between 50,200 and 66,800 mature individuals, with a stable trend. In Spain about 4,700 birds winter, although since it is present on many beaches that are not surveyed in the winter waterbird census, the real number could be much higher.

The most important threat is considered to be human disturbance, both during breeding and in resting areas along the passages and wintering1. It is also negatively affected by illegal hunting and pollution, which reduces food availability, and is very sensitive to the destruction and transformation of passage and wintering habitat.

Nest of the Sanderling

In the breeding areas, the nest is on slightly raised, open ground, often on bare rock, and is a small hollow lined with leaves, although the birds probably do not bring them.

Courtship and breeding of the Sanderling

In the breeding areas, the clutch consists of three or four olive or bluish eggs, with brown spots and even black streaks irregularly distributed. Incubation lasts 24–27 days and the chicks develop in about 17 days. The laying dates given by the source consulted do not agree with each other, so we do not repeat them1.

Diet of the Sanderling

It feeds, above all, on small invertebrates. In the breeding season it catches many insects, mainly adults and larvae of flies, and also beetles, butterflies or spiders; it also eats crustaceans and, in lean times, can make use of plant matter.

Curious facts about the Sanderling

It is a very pale-coloured wader which, during the short days of winter, moves swiftly following the ebb and flow of the waves on the beaches of the Atlantic coast1. It is one of the birds with the greatest movements on the planet, since it winters from Europe to southern South America, South Africa and Australia.

The Sanderling in Cabañeros

The habitat pages of this website do not mention it, and we have not found any other published source on it in the Park; nor does it appear in the bird list of the «Visitor guide to Cabañeros National Park» (OAPN). GBIF.org records 6 observations of the Sanderling in Cabañeros and its surroundings. Inland wetlands of the peninsula are cited among the passage sites1. None of those observations falls within the Park boundary (according to OpenStreetMap): all are from the surroundings.

Where to see the Sanderling in Cabañeros

In Cabañeros and its surroundings, only on passage and occasionally, on the shores of ponds and reservoirs.

When
In Spain from September to May, with passages from September to October and from April to May.
What time
By day, running along the edge of beaches and ponds, following the ebb and flow of the water.
Where
On sandy beaches and, marginally, salt pans, lagoons and inland waters.
What to look for
Look for the very pale plumage and the light bands on the wings in flight; listen for the «tuic-tuic».

Videos of the Sanderling

Similar species

Little Stint (Calidris minuta)

Little Stint

Calidris minuta

How to tell them apart

It is similar in physical appearance1.

Photo: Ken Billington, CC BY-SA 3.0

Dunlin (Calidris alpina)

Dunlin

Calidris alpina

How to tell them apart

It is similar in physical appearance1.

Photo: Stephan Sprinz, CC BY-SA 4.0

Other birds

Bibliography

Notes

  1. SEO/BirdLife, species page, seo.org. ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9