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Category Archives: mussel beds

Birds by the sea

02 Saturday Jul 2016

Posted by theresagreen in birds of the seashore, Birdwatching on North Wales coast, mussel beds, Nature of Wales, Rhos Point, wading birds

≈ 7 Comments

Tags

Curlew, European Herring Gull, mussel beds, Oystercatcher, Rhos Point, sandwich tern

June 20th-Rhos Point

13.34- A sunny day with a strong breeze made it feel cold, but I was in need of some quick-fix fresh air and for that, Rhos Point is the perfect spot. It’s also one of my favourite spots for watching wading birds, although I don’t visit it much during the breeding season as it is almost deserted by birds and becomes uncannily quiet. Today I arrived as the tide was coming in and I spotted a small group of Oystercatchers waiting patiently for today’s incoming lunch, so I waited too to see if they would be joined by others.

As I made my way down nearer to the shore I heard some lively chirruping emanating from a shrub that has taken hold on the promenade edge, then a few House Sparrows flew out and headed for the shore below to forage amongst the exposed rocks.

160620-Rhos Point 1334-House Sparrow

Two elegant Sandwich Terns flew low over the sea, close to its edge.

160620-Rhos Point 1335-Sandwich Terns flying

13.37 pm – Oystercatchers on the sea edge use the waiting time to rest or preen.

160620-Rhos Point 1337-Oystercatchers 160620-Rhos Point 1337b-Oystercatchers

Oystercatchers are high on the list of my most favourite birds, they have great character and charisma and the more I learn more about them the more fascinating they become. They are large wading birds and when not resting are noisy. They sport large long orange or red bills, which they use for smashing or prying open molluscs.

The diet of coastal oystercatchers is varied, although dependent upon coast type; on this rocky shore with its extensive mussel beds, they will prey upon mussels of course, and also on limpets and gastropods. They also take advantage of whatever the tides bring in such as small fish and crabs.

160620-Rhos Point 1339b-Oystercatcher with blunt beak

The shape of this bird’s bill shows it to be a ‘hammerer’

The bill shape varies according to the diet. ‘Stabbers’ feed by jabbing their laterally compressed bill tips in between the valves of a mussel’s shell, while ‘hammerers’ crack open mussel shells by pounding on them. Those birds with blade-like bill tips pry open or smash mollusc shells, and those with pointed bill tips tend to probe for worms.

13.40 – The Oystercatchers were joined by a beautiful Sandwich Tern.

160620-Rhos Point 1342-Oystercatchers & Sandwich Tern 2

The Sandwich tern is a summer breeding visitor, returning to north-west Wales & Anglesey from late March to September. In the UK, many of the important colonies survive because they are on nature reserves.

This is a very white tern, which in summer breeding plumage had a full black cap on its head. The bill is long and black with a diagnostic yellow tip. The legs are short and black and the tail short and forked. In flight it shows grey wedges on its wings tips.

160620-Rhos Point 1340a-Sandwich Tern

13.44- A small number of Curlews flew in to land on the rocky sea edge, where their cryptic plumage allows them to all but disappear.

I took this short video as the Curlews arrived – coudn’t avoid the wind noise!

160620-Rhos Point 1344-Curlews foraging

160620-Rhos Point 1347-Curlews foraging on sea edge

The curlew is the largest European wading bird, instantly recognisable on winter estuaries or summer moors by its long, downcurved bill, brown upperparts, long legs and evocative call.

160620-Rhos Point 1349-Curlew

160620-Rhos Point 1346-Oystercatchers & Curlews

13.47- The mysterious moment that suddenly galvanises waiting wading birds into action arrived and triggered most, though not all of the Oystercatchers to begin foraging in earnest.

160620-Rhos Point 1347-Oystercatcher (2)

160620-Rhos Point 1346-Oystercatcher bathing

13.48- A Herring gull arrived to join the party.

160620-Rhos Point 1348-Oystercatchers, Curlews & Herring Gull

13.52- A second Sandwich Tern flew in, closely followed by a third.

160620-Rhos Point 1352-Sandwich Terns

The terns also settled down to preen.

160620-Rhos Point 1352-SandwichTerns preening & Curlew

13.59- A Cormorant flew past at speed.

160620-Rhos Point 1359-Cormorant flying

14.04- A Herring gull- it’s good to see them down here, where away from the rooftops, rubbish tips and promenades they are not upsetting anyone!

160620-Rhos Point 1404-Herring Gull 1

160620-Rhos Point 1404-Herring Gull

160620-Rhos Point 1410-Herring Gull 2

 

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A sea-shore in waiting

11 Tuesday Aug 2015

Posted by theresagreen in Birdwatching on North Wales coast, coastal habitat, mussel beds, Nature, Nature of Wales, nature photography, North Wales, Rhos Point, Rhos-on-Sea, wading birds, Wales Coast Path

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Tags

acorn barnacles, barnacle, common mussel, great black-backed gull, herring gull, mussel bed, mussel beds, mussel beds of Rhos-on-sea, Nature in August, periwinkle, Rhos Point, seashore in August, winkle

Rhos Point from the Little Orme

Rhos Point from the Little Orme

Rhos-on-Sea is a popular seaside venue that is busy with people visiting most of the year round, particularly at weekends and when the sun shines, but they don’t come here for its beach. The seashore, wrapped around the flat fortified headland of Rhos Point, is not the most beautiful in North Wales: a general first impression may well be of an expanse of flat shoreline littered with variously sized brown-coloured rocks and boulders. No easy strolling or picnicking here.

The stumps of posts are the remains of an ancient fishing weir

Rhos Point shore looking towards Colwyn Bay-the stumps of posts are the remains of an ancient fishing weir

The rocky shore of Rhos Point from Penrhyn Bay

The rocky shore of Rhos Point from Penrhyn Bay

However, between the rocky shore and the sea lies an expanse of long-established Mussel beds which is highly attractive to visitors – of the avian variety. Large numbers of a variety of species of sea and shore birds will be returning here this month from their summer breeding grounds to spend the autumn and winter to feast on the gourmet seafood on offer here.

Rhos Point across the rock strewn shore to the mussel beds

Rhos Point across the rock strewn shore to the mussel beds

Part of the expanse of mussel bed beyond the rocks

Part of the expanse of mussel bed beyond the rocks on a sunny day

There may be a few early arrivals, maybe a Turnstone or two, but for now, approaching mid-August, the resident breeding birds, the Herring gulls, a smallish number of Lesser Black-backed gulls, Cormorants, plus a few Oystercatchers have the place more or less to themselves.

KONICA MINOLTA DIGITAL CAMERA

Great Black-backed gulls, adults & juveniles, Herring gull & Oystercatchers

Rhos Point shoreline with fishing weir posts cormorants & gulls

Rhos Point mussel bed, juv. cormorants, oystercatchers & gulls

Soon they will be joined by large numbers of Curlews, Redshanks, more Oystercatchers, Turnstones, Dunlins, Ringed Plovers and Sandwich Terns. If we are lucky there may be a few Purple Sandpipers in the mix, and there will doubtless be a few temporary visitors stopping to feed before escaping to warmer climes. There will be Rock Pipits and Pied Wagtails amongst the huge rocks of the sea defences. So much to look  forward to!

Without the movement and cries of the absent birds the landscape appears harsh, a sombrely coloured, barren place devoid of life. But look more closely and you’ll see it is in fact a living landscape, richly populated by hosts of small sea creatures, which is of course why the birds head here for the winter.

On close inspection, the rocks that appear a uniform brown colour from a distance are actually encrusted with colonies of barnacles, millions of them.

Barnacles and winkles cover the surface of a rock

Barnacles cover the surfaces of rocks

Acorn barnacles

Acorn barnacles

Barnacles and winkles

Barnacles and winkles

Turnstones camouflaged amongst the barnacle-covered rocks

Turnstones will be perfectly camouflaged amongst the barnacle-covered rocks

Winkles, or periwinkles are numerous too.

Winkles

Common periwinkle or Winkle-Littorina littorea

At low tide, cross the rocks, skirting the pools of shallow water left behind

Rock pool

Rock pool with more winkles

A flower of the sea -Beadlet anemone - Actinia equina

A flower of the sea -Beadlet anemone – Actinia equina

and soon the crunch of shells accompanies every footstep, as you are literally walking across the surface of a dense mass of living Mussels. It’s a very strange feeling.

Live mussels

The Mussel bed – live mussels amongst empty shells

You realise now why you see mussel shells everywhere.

Mussel shells under water

Mussel shells under water

141017TGNW4-Seashells mixed & crab legs

Live mussels & a live cockle amongst empty shells and crab claws

Mussel shells on the tide line of Rhos Harbour beach

Mussel shells on the tide line of Rhos Harbour beach

All is ready for the avian invasion.

 

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‘But it is the common species that keep the living world ticking over and provide most of our experiences of wildlife, and I would argue that maintaining the abundance of these is as important a conservation priority as maintaining the existence of rarities’. Richard Mabey

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