Great Crested Grebe(s) - Podiceps Cristatus

Parent and Fledgling..

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Silver-washed Fritillary (M) Underwing.

Argynnis paphia

The swooping flight of this large and graceful butterfly is one of the most beautiful sights to be found in woodland during high summer. A large fast flying butterfly, separated from other fritillaries by its pointed wings and silver streaks on the undersides which can be viewed as it stops to feed on flowers such as Bramble.

Although the butterfly is seen mostly in sunny glades and rides, it actually breeds in the shadier parts of adjacent woodland. In southern England, a small proportion of females have wings that are bronze-green, known as the form valezina.

The Silver-washed Fritillary declined during the twentieth century, especially in England and Wales, but has spread noticeably during recent decades. Widespread across southern England and Wales and more locally in northern England and Ireland

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Barn Owl - Tyto Alba

Norfolk, Unfortunately a bit distant!

Like most owls, the barn owl is nocturnal, relying on its acute sense of hearing when hunting in complete darkness. It often becomes active shortly before dusk and can sometimes be seen during the day when relocating from one roosting site to another. In Britain, on various Pacific Islands and perhaps elsewhere, it sometimes hunts by day. This practice may depend on whether the owl is mobbed by other birds if it emerges in daylight. However, in Britain, some birds continue to hunt by day even when mobbed by such birds as magpies, rooks and black-headed gulls, such diurnal activity possibly occurring when the previous night has been wet making hunting difficult. By contrast, in southern Europe and the tropics, the birds seem to be almost exclusively nocturnal, with the few birds that hunt by day being severely mobbed.

Barn owls are not particularly territorial but have a home range inside which they forage. For males in Scotland this has a radius of about 1 km (0.6 mi) from the nest site and an average size of about 300 hectares. Female home ranges largely coincide with that of their mates. Outside the breeding season, males and females usually roost separately, each one having about three favoured sites in which to conceal themselves by day, and which are also visited for short periods during the night. Roosting sites include holes in trees, fissures in cliffs, disused buildings, chimneys and haysheds and are often small in comparison to nesting sites. As the breeding season approaches, the birds move back to the vicinity of the chosen nest to roost.

Once a pair-bond has been formed, the male will make short flights at dusk around the nesting and roosting sites and then longer circuits to establish a home range. When he is later joined by the female, there is much chasing, turning and twisting in flight, and frequent screeches, the male's being high-pitched and tremulous and the female's lower and harsher. At later stages of courtship, the male emerges at dusk, climbs high into the sky and then swoops back to the vicinity of the female at speed. He then sets off to forage. The female meanwhile sits in an eminent position and preens, returning to the nest a minute or two before the male arrives with food for her. Such feeding behaviour of the female by the male is common, helps build the pair-bond and increases the female's fitness before egg-laying commences.

Barn owls are cavity nesters. They choose holes in trees, fissures in cliff faces, the large nests of other birds such as the hamerkop (Scopus umbretta) and, particularly in Europe and North America, old buildings such as farm sheds and church towers. Buildings are preferred to trees in wetter climates in the British Isles and provide better protection for fledglings from inclement weather. Trees tend to be in open habitats rather than in the middle of woodland and nest holes tend to be higher in North America than in Europe because of possible predation.

This bird has suffered declines through the 20th century and is thought to have been adversely affected by organochlorine pesticides such as DDT in the 1950s and '60s.

Nocturnal birds like the barn owl are poorly monitored by the Breeding Bird Survey and, subject to this caveat, numbers may have increased between 1995-2008.


Barn owls are a Schedule 1 and 9 species.

Population:

UK breeding:

4,000 pairs

Europe:

110-220,000 pairs

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Mute Swan - Cygnus Olor

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Reed Bunting - Emberiza schoeniclus (M)

It breeds across Europe and much of temperate and northern Asia. Most birds migrate south in winter, but those in the milder south and west of the range are resident. It is common in reedbeds and also breeds in drier open areas such as moorland and cultivation. For example, it is a component of the purple moor grass and rush pastures, a type of Biodiversity Action Plan habitat in the UK. It occurs on poorly drained neutral and acidic soils of the lowlands and upland fringe.

The common reed bunting is a medium-sized bird, 13.5–15.5 cm long, with a small but sturdy seed-eater's bill. The male has a black head and throat, white neck collar and underparts, and a heavily streaked brown back. The female is much duller, with a streaked brown head, and is more streaked below.

Despite its name, the Reed Bunting breeds across a range of habitats from reedbeds and conifer plantations to hedgerows and arable crops like oil seed rape. During the non-breeding season, this species is dependent upon weed seeds, and as such, Reed Buntings would have joined other species in winter flocks on farmland stubbles. The decline of this species matches that of other farmland species like Tree Sparrow and Linnet. The increasing winter use of gardens during the 1980s probably reflects the decrease in availability of winter food.

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