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The black stork (Ciconia nigra) is a large bird in the stork family Ciconiidae. It was first described by Carl Linnaeus in the 10th edition of his Systema Naturae. Measuring on average 95 to 100 cm (37 to 39 in) from beak tip to end of tail with a 145-to-155 cm (57-to-61 in) wingspan, the adult black stork has mainly black plumage, with white underparts, long red legs and a long pointed red beak. A widespread but uncommon species, it breeds in scattered locations across Europe (predominantly in Spain, and central and eastern parts), and Asia to the Pacific Ocean. It is a long-distance migrant, with European populations wintering in tropical Sub-Saharan Africa, and Asian populations in the Indian subcontinent. When migrating between Europe and Africa, it avoids crossing the Mediterranean Sea and detours via the Levant in the east or the Strait of Gibraltar in the west. An isolated, non-migratory, population occurs in Southern Africa.

Unlike the closely related white stork, the black stork is a shy and wary species. It is seen singly or in pairs, usually in marshy areas, rivers or inland waters. It feeds on amphibians, small fish and insects, generally wading slowly in shallow water stalking its prey. Breeding pairs usually build nests in large forest trees—most commonly deciduous but also coniferous—which can be seen from long distances, as well as on large boulders, or under overhanging ledges in mountainous areas. The female lays two to five greyish-white eggs, which become soiled over time in the nest. Incubation takes 32 to 38 days, with both sexes sharing duties, and fledging takes 60 to 71 days.

The black stork is considered to be a species of least concern by the International Union for Conservation of Nature, but its actual status is uncertain. Despite its large range, it is nowhere abundant, and it appears to be declining in parts of its range, such as in India, China and parts of Western Europe, though increasing in others such as the Iberian Peninsula. Various conservation measures have been taken for the black stork, like the Conservation Action Plan for African black storks by Wetlands International. It is also protected under the African-Eurasian Waterbird Agreement and the Convention on International Trade in Endangered Species of Wild Fauna and Flora.

English naturalist Francis Willughby wrote about the black stork in the 17th century, having seen one in Frankfurt. He named it Ciconia nigra,from the Latin words for "stork" and "black" respectively. It was one of the many species originally described by Swedish zoologist Carl Linnaeus in the landmark 1758 10th edition of his Systema Naturae, where it was given the binomial name of Ardea nigra. It was moved to the new genus Ciconia by French zoologist Mathurin Jacques Brisson two years later. The word stork is derived from the Old English word storc, thought to be related to the Old High German storah, meaning "stork", and the Old English stearc, meaning "stiff".

The black stork is a member of the genus Ciconia, or typical storks, a group of seven extant species, characterised by straight bills and mainly black and white plumage. The black stork was long thought to be most closely related to the white stork (C. ciconia). However, genetic analysis via DNA–DNA hybridization and mitochondrial cytochrome b DNA by Beth Slikas in 1997 found that it was basal (an early offshoot) in the genus Ciconia. Fossil remains have been recovered from Miocene beds on Rusinga and Maboko Islands in Kenya, which are indistinguishable from the white and black storks.

The black stork is a large bird, measuring between 95 and 100 cm (37 and 39 in) in length with a 145-to-155 cm (57-to-61 in) wingspan, and weighing around 3 kg (6.6 lb). Standing as tall as 102 cm (40 in), it has long red legs, a long neck and a long, straight, pointed red beak. It bears some resemblance to Abdim's stork (C. abdimii), which can be distinguished by its much smaller build, predominantly green bill, legs and feet, and white rump and lower back. The plumage is black with a purplish green sheen, except for the white lower breast, belly, armpits, axillaries and undertail coverts. The breast feathers are long and shaggy, forming a ruff which is used in some courtship displays. The black stork has brown irises, and bare red skin around its eyes. The sexes are identical in appearance, except that males are larger than females on average. Moulting takes place in spring, with the iridescent sheen brighter in new plumage. It walks slowly and steadily on the ground and like all storks, it flies with its neck outstretched.

The juvenile resembles the adult in plumage, but the areas corresponding to the adult black feathers are browner and less glossy. The scapulars, wing and upper tail coverts have pale tips. The legs, bill and bare skin around the eyes are greyish green. It could possibly be confused with the juvenile yellow-billed stork, but the latter has paler wings and mantle, a longer bill and white under the wings.

During the summer, the black stork is found from Eastern Asia (Siberia and northern China) west to Central Europe, reaching Estonia in the north, Poland, Lower Saxony and Bavaria in Germany, the Czech Republic, Hungary, Italy and Greece in the south, with an outlying population in the central-southwest region of the Iberian Peninsula (Extremadura and surrounding provinces of Spain, plus Portugal). It is migratory, wintering in tropical Africa and Asia, although certain populations of black storks are sedentary or dispersive. An isolated population exists in Southern Africa, where the species is more numerous in the east, in eastern South Africa and Mozambique, and is also found in Zimbabwe, Swaziland, Botswana and less commonly Namibia.

Most of the black storks that summer in Europe migrate to Africa, with those from western Germany and points west heading south via the Iberian Peninsula and the rest via Turkey and the Levant. Those flying via Spain spend winter in the Falémé River basin of eastern Senegal, Guinea, southern Mauritania, Ivory Coast, Sierra Leone and western and central Mali, while those flying via the Sinai end up in northern Ethiopia, the Kotto River basin in the Central African Republic, the Mbokou river basin in Chad and northeastern Nigeria. Black storks summering in western Asia migrate to northern and northeastern India, ranging mainly from Punjab south to Karnataka, and Africa. They are occasional visitors to Sri Lanka. Those summering further east in eastern Russia and China winter mainly in southern China, and occasionally in Hong Kong, Myanmar, northern Thailand, and Laos. They were first recorded in western Myanmar in 1998.

The black stork prefers more wooded areas than the better-known white stork, and breeds in large marshy wetlands with interspersed coniferous or broadleaved woodlands, but also inhabits hills and mountains with sufficient networks of creeks. It usually inhabits ponds, rivers, edges of lakes, estuaries and other freshwater wetlands.The black stork does inhabit more agricultural areas in the Caspian lowlands, but even here it avoids close contact with people. Its wintering habitat in India comprises reservoirs or rivers with nearby scrub or forest, which provide trees that black storks can roost in at night. In southern Africa it is found in shallow water in rivers or lakes, or swamps, but is occasionally encountered on dry land.

After disappearing from Belgium before the onset of the 20th century, it has returned to breed in the Belgian Ardennes, Luxembourg and Burgundy, France, by 2000. It appears to be increasing in numbers in Spain and Portugal, where the population was estimated at 405 to 483 pairs in 2006. The black stork is a rare vagrant to the British Isles, turning up in the warmer months—particularly in spring—generally in the south and east. Sightings have become more common since the 1970s as its breeding range moves northwards. It has been recorded in Scotland six times between 1946 and 1983, including from Shetland, Orkney and the Highlands, as well as the Scottish Borders (Peebles). It is not abundant in the western parts of its distribution, but more densely inhabits eastern Transcaucasia. Further east, it has been recorded from locations across Iran, though little is known about its habits there; breeding has been recorded from near Aliabad in Fars province, Khabr National Park in Kerman province, Karun river in Khuzestan province, Qaranqu River in East Azarbaijan province, and Aliabad river in Razavi Khorasan province.The population has declined in Iran due to draining of wetlands. East of the Ural Mountains, the black stork is patchily found in forested and mountainous areas up to 60°‒63° N across Siberia to the Pacific Ocean. South of Siberia, it breeds in Xinjiang, northwestern China, northern Mongolia south to the Altai Mountains, and northeastern China south to the vicinity of Beijing. In the Korean Peninsula, the black stork is an uncommon summer visitor, no longer breeding in the south since 1966. Birds have been seen in the northeast but it is not known whether they breed there. Similarly it has been seen in the summer in Afghanistan, but its breeding status is uncertain.

Migration takes place from early August to October, with a major exodus in September. Some of the Iberian populations, and also those in southern Africa, are essentially non-migratory, though they may wander freely in the non-breeding areas. A broad-winged soaring bird, the black stork is assisted by thermals of hot air for long-distance flight, although is less dependent on them than is the white stork. Since thermals only form over land, the black stork, together with large raptors, must cross the Mediterranean at the narrowest points, and many black storks travel south through the Bosphorus, as well as the Sinai and Gibraltar. The trip is around 5,667 km (3,521 mi) via the western route and 7,000 km (4,300 mi) via the eastern route, with satellite tracking yielding an average travel time of 37 and 80 days respectively. The western route goes over the Rock of Gibraltar or over the Bay of Gibraltar, generally on a southwesterly track that takes them to the central part of the strait, from where they reach Morocco.Many birds fly around the Sahara next to the coast. About 10% of the western storks choose the passage Sicily – Cap Bon, Tunisia.

Spain contains several important areas—Monfragüe National Park, Sierra de Gredos Regional Park, National Hunting Reserve in Cíjara, Natural Park of the Sierra Hornachuelos and Doñana National Park—where black storks stop over on the western migration route. Pesticide use has threatened birdlife in nearby Doñana. Further south, Lake Faguibine in Mali is another stopover point but it has been affected by drought in recent years.

The black stork breeds between April and May in the Northern Hemisphere, with eggs usually laid in late April. In southern Africa, breeding takes place in the months between September and March, possibly to take advantage of abundant water prey rendered easier to catch as the rivers dry up and recede—from April and May in Zimbabwe, Botswana and northern South Africa, and as late as July further south.

Pairs in courtship have aerial displays that appear to be unique among the storks. Paired birds soared in parallel, usually over the nest territory early in the mornings or late afternoons with one bird splaying the white undertail coverts to the sides of the narrowed black tail and the pair calls to each other. These courtship flights are difficult to see due to the densely forested habitat in which they breed. The nest is large, constructed from sticks and twigs, and sometimes also large branches, at an elevation of 4–25 m (13–82 ft). The black stork prefers to construct its nest in forest trees with large canopies where the nest can be built far from the main trunk—generally in places far from human disturbance. For the most part, deciduous trees are chosen for nesting sites, though conifers are used as well. A 2003 field study in Estonia found that the black stork preferred oak (Quercus robur), European aspen (Populus tremula), and to a lesser extent Scots pine (Pinus sylvestris), and ignored Norway spruce (Picea abies), in part due to the canopy structure of the trees. Trees with nests averaged around 25.6 ± 5.2 metres (84 ± 17 ft) high and had a diameter at breast height of 66 ± 20 centimetres (26.0 ± 7.9 in). Furthermore, 90% of the trees chosen were at least 80 years old, highlighting the importance of conserving old-growth forests. A 2004 field study of nesting sites in Dadia-Lefkimi-Soufli National Park in north-eastern Greece found that it preferred the Calabrian pine (Pinus brutia), which had large side branches that allowed it to build the nest away from the trunk, as well as black pine (Pinus nigra) and to a lesser extent Turkey oak (Quercus cerris). It chose the largest trees in an area, generally on steeper ground and near streams. Trees chosen were on average over 90 years old. In the Iberian peninsula it nests in pine and cork oak (Quercus suber).

In steeply mountainous areas such as parts of Spain, South Africa and the Carpathian Mountains it nests on cliffs, on large boulders, in caves and under overhanging ledges. The black stork's solitary nests are usually at least 1 km (0.6 mi) apart, even where the species is numerous. Although newly constructed nests may be significantly smaller, older nests can be 1–2 m (3.3–6.6 ft) in diameter. In southern Africa, the black stork may occupy the nests of other bird species such as hamerkop (Scopus umbretta) or Verreaux's eagle (Aquila verreauxi) and commonly reuses them in successive years.[1] They are repaired with earth and grass, and lined with leaves, moss, grass, animal fur, paper, clay and rags.

Egg, Collection Museum Wiesbaden

In a clutch, there are two to five, or rarely even six large oval grey-white eggs, which become soiled during incubation. They can be 64–70 mm (2.5–2.8 in) long and 50–53 mm (2.0–2.1 in) wide, averaging about 68 mm (2.7 in) in length and 52 mm (2.0 in) in width. The eggs are laid with an interval of two days. Hatching is asynchronous, and takes place at the end of May. Incubation takes 32 to 38 days, with both sexes sharing duties, which commence after the first or second egg is laid. The young start flying by the end of July. Fledging takes 60 to 71 days, after which the young joins the adults at their feeding grounds. However, for another two weeks, the young continue to return to the nest, to be fed and to roost at night.

At least one adult remains in the nest for two to three weeks after hatching to protect the young. Both parents feed the young by regurgitating onto the floor of the nest.[19] Black stork parents have been known to kill one of their fledglings, generally the weakest, in times of food shortage to reduce brood size and hence increase the chance of survival of the remaining nestlings. Stork nestlings do not attack each other, and their parents' method of feeding them (disgorging large amounts of food at once) means that stronger siblings cannot outcompete weaker ones for food directly, hence parental infanticide is an efficient way of reducing brood size. This behaviour has only rarely been observed in the species, although the shyness of the species and difficulties in studying its nesting habits mean that it might not be an uncommon phenomenon.

Ringing recovery studies in Europe suggests that nearly 20% of chicks reach the breeding stage, around 3 years, and about 10% live beyond 10 years and about 5% beyond 20 years. Captive individuals have lived for as long as 36 years.

The black stork mainly eats fish,[1] including small cyprinids, pikes, roaches, eels, budds, perches, burbots, sticklebacks and muddy loaches (Misgurnus and Cobitis). It may feed on amphibians, small reptiles, crabs, mammals and birds, and invertebrates such as snails, molluscs, earthworms, and insects like water beetles and their larvae.

Foraging for food takes place mostly in fresh water, though the black stork may look for food on dry land at times. The black stork wades patiently and slowly in shallow water, often alone or in a small group if food is plentiful. It has been observed shading the water with its wings while hunting. In India, it often forages in mixed species flocks with the white stork, woolly-necked stork (Ciconia episcopus), demoiselle crane (Grus virgo) and bar-headed goose (Anser indicus). The black stork also follows large mammals such as deer and livestock, presumably to eat the invertebrates and small animals flushed by their presence.

More than 12 species of parasitic helminth have been recorded from black storks with Cathaemasia hians and Dicheilonema ciconiae reported to be the most dominant. The juvenile black stork, although having a less diverse helminth population, is parasitized more frequently than the adult. A species of Corynebacterium—C. ciconiae—was isolated and described from the trachea of healthy black storks, and is thought to be part of the natural flora of the species. A herpes virus is known from black storks. Birdlice that have been recorded on the species include Neophilopterus tricolor, Colpocephalum nigrae, and Ardeicola maculatus. A diverse array of predatory mesostigmatid mites—particularly the genera Dendrolaelaps and Macrocheles—have been recovered from black stork nests. Their role is unknown, though they could prey on parasitic arthropods.

Wikipedia

by iro

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Lefkimi

Lefkimi Salt Pan by Stylianos Lavranos

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#corfugreece #ig_greece #tv_greece #across_greece #discover_greece_ #discovergreece #feel_greece #visit_greece #greece_travel #greecegram #greecetagram #greece_moments #greece_uncovered #greece_united #greece_all #greece_lovers #greece_is_awesome #gr #greece #mygreece #wu_greece #hotspot2greece #mavicclubgr #greecelover_gr #lefikimi

IMG_4230 by Ploigos

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Santa Barbara under the Stars by Bill Metallinos

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Santa Barbara under the Stars, Corfu At right is the Constelation of Draco, on top of it is Ursa Minor, According to the ancient Greek myth of Hercules, the constellation of Draco represented the Winged Dragon that guarded the Apples of the Hesperides and Ursa Minor the wings of the dragon which fyllage the Apples of Hesperides and Little Bear were the Wings of the Dragon. The Ursa Minor's tail has the Polar Star which is showing us the North celestial Pole, the Little Dipper is the Greek hero Arcas son of Zeus and Callisto who led the Pelesgians, who were renamed Arkades . In greek, Ursa is called "Arctos", from Arkas. At the Center as the North Cross is the constellation of Cygnus, the ancient Greeks called it Ornis(birds) and with the Eagle(in the Clouds bottom left) and the Arrow (bottom left of Cygnus) the said the myth of Hercules and the Stymphalian Birds. The Swan symbolized Zeus, who transformed into a swan to mate with Leda, who gave birth to the Dioscuri, Castor and Pollux. Bottom right is the constellation of Lyra with the very bright star Vega, our neighbor at 23.5 light-years, the full Arabic name is Al Nasr al Waki, " the eagle who falls or attacks ", so we see a representation of the constellation Lyra with an eagle, Lyra is the instrument of Apollo, given to him by young Hermes. Among the Arrow and the Swan is Vulpecula, also known as the fox. To the left of the Constellation of Arrow is the Constellation Delphinus, which was observed in the antiquity by Ptolemy and represents the Delphinus delphis species, common in the Atlantic and Mediterranean, while on the left is the Constellation of Equuleus, which also recorded from Ptolemy, cataloged as Horse Bust and later became Equus primus/prior, the horse that came before the great winged horse of the Heavens, Pegasus. In the photo there parts of the constellations of Aquarius, Pegasus, Cepheus, Lacerta, Hercules, Ursa Major and the Aquila. In terms of geology, the land consists of 1-2 million years old clay with shells and coal in its sediments..

Super Moon Lefkimmi Salt Pan by Stylianos Lavranos

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Greece, Corfu island, Lefkimi, scape with abandoned buildings and Greek Communist Party posters by bilwander

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Greece, Corfu, Lefkimi, girl on scooter by bilwander

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🔷 Corfu

Castle of Angels by Robin

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Angelokastro (Αγγελόκαστρο, "Castle of Angels" or "Angelos' castle") is one of the most important fortified complexes on Corfu. It is situated at the rocky shores on the north-west coast of Corfu. The fortress was built on a natural promontory which gave an excellent defensive position, due to the sheer inclines to the north, west and south, and provided a view of almost entire south Adriatic.

The origin of its name is not completely clear, with some historians mentioning that in 1214 Michael I Komnenos Doukas, Despot of Epirus, sometimes called Michael Angelos, annexed Corfu to Epirus and following his death, Michael II Komnenos Doukas, often called Michael Angelos in narrative sources, further fortified the area and named it after himself and his father: Angelokastro. The Despots were related to the Komnenoi dynasty of Byzantine emperors.

It can be reasonably assumed that since Byzantium lost its dominion over southern Italy in 1071 AD, the Komnenoi must have paid a lot of attention to the castle since Corfu by default became the frontier to the west of the Byzantine Empire between the 11th and 12th centuries, serving to separate and defend Byzantium from its dangerous foes to the west. After the Crusaders took Constantinople in 1204, Corfu fell into the hands of a variety of invaders until 1267 when it was occupied by the Angevins of Naples. Shortly thereafter the Angevins took over Angelokastro. The takeover is documented in a rare manuscript of the time confirming the change of ownership of the castle. The manuscript is the oldest written reference to the castle.

In 1386, the castle came under the ownership of the Most Serene Republic of Venice. Throughout the period of the Venetian rule the castle enjoyed great prominence because it offered protection to the locals from foes such as the Genoan pirates to the west as well as the Turks to the east.

The Venetians, being the prominent maritime power of the era, used it to monitor the shipping lanes in the southern Adriatic and the Ionian sea. The Castellan of the castle was appointed by the city of Corfu and was a nobleman whose family name was included in the Venetian originated Libro d'oro (Golden Book), a list of the aristocratic families of Corfu.

In 1403, a Genoese pirate fleet made an attempt to occupy Angelokastro. The Genoan pirates burned and pillaged the surrounding area. Then they attempted to occupy the castle. After furious battles with the Corfiot garrison, they were ultimately repulsed.

In August of 1571, the Turks made another of many attempts at conquering Corfu. Having seized Parga and Mourtos from the Greek mainland side they attacked the Paxos island, killing, looting and burning. Subsequently they landed on Corfu's southeast shore and established a large beachhead all the way from the southern tip of the island at Lefkimi to Ipsos in Corfu's midsection of the eastern part of the island. These areas were thoroughly pillaged and burnt as in past encounters.

The Turks also attacked Angelokastro at that time trying to establish a beachhead at the northwestern part of the island, but the garrison at Angelokastro stood firm. These Turkish defeats both at the city castle in the east and Angelokastro in the west proved decisive and the Turks abandoned their attempt at conquering Corfu.

With the advent of modern warfare the castle's importance declined and gradually it fell into a state of disrepair. The passage of time did to the castle what no aspiring conqueror could.

Corfu. Sunrise in Lefkimi by Sergey Rsavin

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