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Oystercatcher

Haematopus ostralegus

With their striking black and white plumage, reddish-pink legs and their remarkable carrot-like bills, oystercatcher are hard to miss, so are a great species to look out for if you’re a beginner birdwatcher.

They’re large wading birds – more than twice the weight of a magpie. When in flight, they have an noticeable white wing-stripe, a black tail and a white rump that extends as a ‘V’ between the wings. You can often hear them before you see them, thanks to their loud piping call.

Some may migrate here for the winter from other UK coastal areas, from Norway and from the Netherlands. You will also see many oystercatchers who stay here year round.

All about oystercatcher

Despite its name, the main diet of the oystercatcher rarely involves oysters in the UK. They mainly eat bivalves such as cockles and mussels.

Oystercatcher have two main techniques for breaking open their robust prey. Some individuals have shorter, blunter bills, and specialise in hammering the prey through the shell. Others, with longer, pointier bills, prise the two shells apart.

They spend much of their time feeding on the coast, but at hightide you might spot them on nearby grassland.

They are easily spotted on UK shores, and increasingly inland too, which can give the impression they are doing really well as a species but they are actually suffering a worrying decline in Europe. The UK holds over a third of the European population of oystercatchers (at certain times of year) so these coastlines are a real stronghold for the species.

Oystercatcher parents

You can sometimes see young oystercatchers being fed by their parents months after they have fledged.

Young oystercatchers are looked after by their parents for much longer than most other wading birds. The offspring of other waders can usually feed themselves soon after hatching (known as ‘precocial’). Oystercatcher chicks on the other hand, are what is known as ‘semi-precocial’ and this means they largely rely on their parent to bring food to them.⠀

Since individual oystercatchers have different feeding techniques to specialise in feeding on different food types, young birds need to learn these techniques, and it is thought that the young of mussel-feeding oystercatchers have the longest apprenticeship of them all – up to 26 weeks.⠀

Conservation status

Oystercatcher are amber listed in the UK. Although they are not listed in the Solent’s Special Protection Areas, they are important to the area and form part of the waterbird assemblages for which these regions are protected .

Did you know?

Oystercatcher hold the record for the longest lived waders. One individual was was ringed as an adult in Lincolnshire in 1976 and shot in France on 4 September 2017, 41 years 1 month and 5 days later. Since it was an adult when it was ringed, it will have been at least 43 years old when it was killed.