Barns! Barns! Barns!
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Barn Owl spotted in Tuscon, AZ
Copyright 2015 © Merilee Phillips.
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A view of an iconic Dutch barn which I have photographed before. It will be interesting to go back in month or so to see how the crop has developed. I took a much wider view of the field but I quite liked this closer view.
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Barn Owl - Tyto Alba
Norfolk
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
Blessed are barns and those who see beauty in humble places.
Deerfield, MA farming
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Ready to fledge, they left the nest soon after this was taken.
This nest is in a concrete underpass where a desert sand wash goes under one of the main paved roads.
As seen in Desert Hills, Green Valley Arizona, USA
Many thanks to everyone that views and comments on my images it's very much appreciated.
Eng 👉 Founded in 1724, Lotbinière, in Quebec. Located on ‘La Route Des Navigateurs’ (Navigators’ Road or route 132), 80 km west of Quebec City and 219 km east of Montreal.
Esp 👉 Fundada en 1724, Lotbinière, en Quebec. Ubicado en "La Route Des Navigateurs" (Ruta de los navegadores o ruta 132), 80 km al oeste de la ciudad de Quebec y 219 km al este de Montreal.
Fra 👉 Fondée en 1724, Lotbinière, au Québec. Située sur La Route Des Navigateurs (route 132), 80 km à l’ouest de la Ville de Québec et à 219 km à l’est de Montréal.
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