Somerset Wildlife Trust

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Wildlife to see in April 2017

Here, Chris Chappell tells the tale of the peregrine. Now find one in the Somerset countryside. Try Kilve.

Spring has arrived early, and the countryside is rapidly turning green as new shoots burst from trees, shrubs and plants. Our garden birds such as robin and blackbird are already incubating eggs. Summer warblers have started to arrive, the willow warbler and chiffchaff will begin to sing, the classic songs for early spring. We are blessed with a huge variety of habitats, and whether you are tempted by a stroll along the beach at Watchet, a hike across Avalon Marshes, or an energetic climb on Exmoor, there is much to tempt you out to enjoy it all. You will soon see what the Somerset Wildlife Trust is working towards, and why preserving the environmental diversity for the future is so important. While April can offer anything from snow to warm sun, each day brings its own reward.

This month the woods and meadows are now full of flowers, wood anemone, lesser celandine, primrose, early orchids, cowslips and bluebells. Once the tree canopy comes into leaf, many of the woodland flowers will fade away until next spring. Butterflies are emerging; peacock, brimstone, speckled wood and comma will be seen on sunny days, and soon the early dragonfly species will join them. The dragonfly nymphs that have wintered underwater will climb a reed stem, breaking out of their exuvial casing, and spread their wings to dry. But you will have to wait for May to see most dragonflies emerging.

The Peregrine Falcon

In 1940 it was decided to destroy all peregrine nest sites in the south of England in order to protect the carrier pigeons that were being used for war time messages. Some 600 birds were shot, and many nests and young destroyed while the Destruction of Peregrine Falcons Order remained in force (until 1946). After something of a recovery post war, the peregrine falcon population reached another low point in the 1960s, mainly due to the effects of poisons entering the food chain, and the attention of egg collectors, and those illegally taking chicks for falconry. However, as a result of protection and the cessation of the use of insecticides such as DDT, their numbers are now considered to be largely recovered. While a lot of attention has been given to their urban population, they also breed on cliffs and in large trees in Somerset. They will hunt any size of bird from a snipe to a large duck. The peregrine prefers to strike prey in the air, their technique is to get above their target, then drop at great speed, around 200 mph in a 'stoop', knocking the target out on impact. While this is nature 'red in tooth and claw' they are beautiful birds to see in the air, or perched, elegantly marked with moustachioed face, and pointed grey wings. The male (tiercel) is about a third smaller than the female. You may see them on the levels, or along the rockier coast of Somerset, they have a loud grating kee-kee-kee call.

Bird Song

Warblers are now settling in to the countryside, and can be heard calling from trees, hedges and reedbeds. An expert birder can tell the difference between similar warblers by their appearance, but this isn't always easy, and the calls will often remove any doubt for the amateur. The chiff-chaff has the most recognisable call, which distinguishes it from the very similar looking willow warbler. But you may soon get to know the falling crescendo of the willow warbler, the loud and tuneful blackcap, or the modest trill of a whitethroat. The birds are often so pre-occupied with their efforts to claim territory or attract a mate, they are easier to approach, and while the leaves are just budding, there is less cover for them. Finding the bird using your binoculars, and then watching it perform, is a great way to learn the songs. There are many excellent aids on line to help you perfect your skills. Swallows, sand martins and house martins have now arrived and will soon spread out across the countryside.

Swell Wood

Swell Wood is situated on a wooded ridge above the levels of West Sedge Moor. It hosts the largest heronry in the West Country. From the new hide you can look up to the numerous grey herons’ nests, large untidy constructions built at the top of the tall oaks and ash. It is thought nearly 100 pairs of herons breed here, and they make an impressive sight preening in the bright sunlight. Grey heron is a misnomer really, as they have an almost white neck, and a black cap, and crest, and now in full breeding condition have a cascade of white feathers, flecked with black stripes, sprouting from the lower neck and look magnificent. As the young hatch, the adults will become very active collecting food from the moor; frogs, eels and fish, and the noise level will increase as the chicks squawk for attention. The herons have been joined in recent years by a few pairs of white egret, now breeding at the site. Below the canopy, the wood is full of birds, blue, coal, great and long-tailed tits; nuthatches abound. You may spot a goldcrest, our smallest bird, as voles scurry about in the leaf litter, and a roe deer will be feeding in the background. Great spotted woodpeckers breed in the dead trees, and you may hear their drumming call, as they hammer out a warning to rivals on a hollow trunk.

Soundscape

The marshes and waterways of the levels are dominated by many bird sounds, often from species that are more heard than seen. The Cetti's warbler has a noisy explosive call, and will often surprise you by calling from a bush or thicket close by, but the most you will see is a wide rich brown tail as it skulks in the undergrowth. The Cetti's is common right across the levels, but this nationally rare bird is a local speciality, and has evolved in recent years from a summer visitor to become resident all year round. Water rails are a shy relative of the moorhen, and spend their time skulking at the waters edge, probing the mud for food. The water rail is known for its loud scream-like call, which can be mistaken for an animal being attacked. Another noise you can now hear through the reedbeds is of course the bittern, now booming loudly at all the major wetland reserves. The success of this enigmatic bird is a triumph of nature conservation for Somerset, which now hosts the largest UK population. A fourth noisy bird is the little grebe, they call to each other with a loud, descending, wittering trill. They are small grebes, with bright red eyes, and spend their time diving for small fish. All these species can be observed with care, time and patience, but the noises they make are hard to miss. The dawn chorus has started, but this will peak in May, when all the migrant species are establishing in their territories and breeding sites.

All photographs © Chris Chappell

 

 

Whitethroat 2

Whitethroat

Female Peregrine

Female Peregrine

Sand Martin

Sand Martin

Pussy Willow

Pussy Willow