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Tag Archives: Calidris alpina

The sea mouse

18 Thursday Sep 2025

Posted by sconzani in autumn, birds

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Tags

birding, birdwatching, British birds, Calidris alpina, Dunlin, Ferrybridge birding

Having blogged twice already about my recent afternoon at Ferrybridge, between Weymouth and the Isle of Portland, it occurred to me to show you what it looks like. This photo was taken at the end of the couple of hours I spent there, by which time the tide was well out and the weather that was rolling in was looking quite ominous: time to beat a hasty retreat!

Today’s blog is about the third species I managed to get reasonably close to and spent quality time watching that afternoon, a cousin to the Sanderling and Knot, with which it shares the sandy shores and mud flats, the Dunlin (Calidris alpina).

The Dunlin has some wonderfully evocative vernacular names, according to my Fauna Britannica: ebb cock (by the Shetlanders), pickerel (Scotland, in general), sandy (Northumberland), sand mouse (Westmorland), and sea mouse (Dumfries and Lancashire), amongst many others. Each name suggests an image of the bird’s habit of scurrying back and forth along the sandy shores as it forages for tiny sea creatures.

Luckily for me, there were several Dunlin and Ringed plover foraging along the top of the beach when I arrived, and I managed to find a spot, crouched in the lee of a shed out of the blasting wind and camouflaged by some scrubby vegetation where I could spend time watching these wonderful little waders going about their business.

Though the Dunlin seems common and ubiquitous around the British coastline, its numbers are in serious decline here, with the BTO reporting a 24% decline in the over-wintering population between 1997 and 2022. So, although the bird is listed as of ‘least concern’ internationally, here in Britain it is red-listed. It would be a tragedy to lose this sublime little sea mouse so let’s hope its population somehow manages to recover.

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Definitely a Dunlin

27 Thursday Sep 2018

Posted by sconzani in birds, nature

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birding, birdwatching, British birds, bundie, Calidris alpina, Dunlin, Kenfig National Nature Reserve, peewee, pickerel, sandmouse, sea lark, Sker Rocks

Here’s another beautiful wader from my recent bird club walk at Kenfig National Nature Reserve.

180927 dunlin (1)

The Dunlin (Calidris alpina) is probably the British wader most people have seen – even if they didn’t realise what it was. With 9,600 breeding pairs and 350,000 Dunlin over-wintering in Britain, it’s certainly the most common.

180927 dunlin (2)
180927 dunlin (3)

And because it’s so common, it’s been given a huge number of common names by the folks that live in different parts of these isles. Some of my favourites are: sand mouse (Westmorland), peewee (Northamptonshire), pickerel (Scotland), bundie (Orkney), and sea lark, from several different locations.

180927 dunlin (4)

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The Sanderlings and the Dunlins

01 Monday May 2017

Posted by sconzani in birds, nature, spring

≈ 2 Comments

Tags

birding, birdwatching, British birds, Calidris alba, Calidris alpina, Dunlin, passage migrant, Sanderling

Yesterday I told you about my chilly but super exciting birdwatching morning on Saturday and showcased two of the highlights, the Whimbrel and the Bar-tailed Godwit. Today, we have the Sanderlings and the Dunlins, both so well camouflaged against the stones on the seashore that, if they hadn’t been almost constantly moving about in their search for insects, they would’ve been very hard to spot.

170501 sanderling (2)
170501 sanderling (3)

170501 sanderling (1)

Sanderlings to the left, Turnstones to the right

Like yesterday’s birds, the Sanderling (Calidris alba) is a passage migrant, seen in parts of coastal Britain during the spring as it heads to its breeding grounds in the Arctic and in the autumn as it heads south to tropical beaches around the world, a journey that can be as long as 6000 miles. During the breeding season, the birds’ grey plumage takes on a much redder hue on the head, neck and back, which you can clearly see on one of these birds (particularly in the photo top left).

170501 dunlin (1)

The Dunlin (Calidris alpina) – like the Sanderling, a member of the Sandpiper family – is a very common sight on Britain’s coast throughout the year, though breeding birds head to the upland areas of Wales, Scotland and England to nest between April and July. The Dunlin also becomes a more rufous colour during the breeding season and acquires the dark tummy feathers you can see on these birds. I’m guessing they’ll be heading for the hills shortly to find a mate.

170501 dunlin (2)
170501 dunlin (3)

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About me

sconzani

sconzani

I'm a writer and photographer; researcher and blogger; birder and nature lover; countryside rambler and city strider; volunteer and biodiversity recorder.

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