About Danube Delta...
Danube flowing in Germany, collecting tributaries from ten countries and four capitals crossing after a 2860 km route, at the mouth to form a delta in the Black Sea "Danube Delta"
Its area is 2540 km, surface 40 m annual increases due to the 67 million tons of silt deposited by the river.
Danube Delta
Introduction
Danube Delta came in for a moment you do not realize you're in the place where millions of birds come from far corners of the world to feed and lay their eggs.
In the vast expanse of reeds is home to 327 species of birds.
Some of these birds are sedentary: seagull, stilt, heron, gray warbler, cufundacul, spoonbill, corncrake, plover, rock, eagle, hawk Danube, Tern, owl, kestrel, Coot, Water hen, prundasii, hollow pigeon , shelduck, Grebe, crow, woodpecker, Ring doves, tits, sparrows.
The other part are migratory birds: Great Egret, ferruginous duck, swan, cormorant, white buzzard migrating from Asia; winter swan, black plover, snipe, great owl, wild duck migrating Siberian region, in the southern wine pelican and cormorant curly red-crested Pochard, white stork, crane, bank swallow, and red-breasted goose, woodcock, duck with black head, ponds migrate from the Arctic.
SEDENTARY BIRDS OF DANUBE DELTA
Grey Heron
 |
| www.roplace.ro |
General: the most numerous and widespread species of herons in Europe. Currently, the species is diminished because many drainage ponds on the banks where they were due to habitat and combat by humans.
Description: (96 cm). It is easily recognizable due to its size, the largest heron in our nation. The plumage is mostly gray with white neck and chest. Fly to great heights, wings slightly arched. It is characterized by the way they fished, stand motionless, stiff neck, lurking fish, which they catch by a very fast moving beak.
Reproduction: Nests usually in reeds in colonies in inaccessible places. In April-May 4 -5 submit blue-green eggs, whose brood is provided by both partners alternately. Incubation lasts 25-28 days.
Silver Seagull
General: sedentary species, present in our country throughout the year, which was even adapted to urban conditions.
Description: (67 cm) color back and wings are silver with black wingtips, otherwise the body is white. The wings have a wingspan of 150 cm. The beak is yellow, with a red spot near the tip. In immature specimens coloring and white wings brown, the ventral side of the body white, brown beak. It feeds on fish, crustaceans, shellfish, and with household waste (in urban centers). See how feeding here ...
Reproduction: Nests in old reed debris on sandy beaches in both Delta and in some wilderness areas along the coast. The female lays 2-3 eggs brown, with darker spots in April which hatches about 26 days. Chicks leave the nest few days after hatching, hiding in vegetation, become capable of flying in 8-9 weeks
Himantopus himantopus
General: rare species adapted to hot climate with lagoons, swamps, deltas, places salted, concentrated in our country especially in the Danube Delta and Valley.
Description: (38 cm). It is recognized soon after very long legs, dark red or pink. Plumage is white with black wings. Shows a long beak, straight, thin and sharp, adapted for hunting small animals hidden in mud and under rocks. It feeds on small invertebrates. Good flying short distances.
Eagle "CodAlb"
General: protected species, common lately becoming rarer. Kite, stationed in our country between the months of March to October.
Description: (69-91 cm) The largest bird that is found within the Danube Delta. Colours body is brown, the head and tail are white, black flight feathers. It feeds on mammals, fish, frogs, snakes etc..
Reproduction: The female lays 1-2 eggs every two years. Tailed pair has several nests that are used in alternation over the years, huge nests that are placed at heights.
Coot
General : This massive wetland with reeds and rushes, with the arrival of spring.
Description: (38 cm). Plumage is dark gray, almost black. Shows a white spot on the head. The beak is white. No shows interdigital membranes to toes, but some lobes horn, this being an impediment to swimming and diving for food. Not a racer by exception only in extreme cases. It feeds on small fish.
Reproduction: Nest is raised from the water, built of dry vegetation in previous years, wetlands, flooded the territory reed. The female lays between 8 and 12 cream colored eggs spotted in April - May, eggs that are incubated alternately by both partners approximately 22 days.
MIGRATORY BIRDS OF DANUBE DELTA
Great Egret
General: protected species, currently being depleted due to hunting in the past for its ornamental feathers but after habitual changes made by man. Species that accommodate harder with this human life in its environment.
Description: (90 cm). Plumage is white uniform, elongated beak yellow-orange.
Reproduction: The female lays in April-May, 3-4 blue-green eggs open, whose brooding is provided by both partners. Hatch after an incubation of 25-27 days.
Big Cormorant
General: Species widely seen on five continents and now their number has decreased due to human intervention, being hunted for damage to the fisheries sector.
Description: (90 cm). Large dark feather color with relatively long neck. The body is black with brassy reflections and white back in the beak and thigh region. Autumn and winter only Male is white, the rest black. Dive into water with a slight bounce to catch its food. Swim more immersed in water, drying and open wings, standing in an upright position on poles, trees etc. Usually flies on the surface, and at high altitude, more individuals forming winding strings. It feeds on fish.
Reproduction: Nests in willows in colonies. Hatching usually occurs in April. It can delay hatching if the nest was disturbed during the preparation of human or animal. The female lays 3-4 eggs a number bluish limestone covered with a crust, rough, whose incubation lasts 28-30 days. Chickens can fly after about 8 weeks.
Curly Pelican
General: Currently, their number does not exceed 500 pairs nesting in Europe because of the fighting done by humans. It is found in a much smaller number than pelican.
Description: (150-180 cm). It differs from pelican in the bottom of the wing completely pale. Kittens have a pale gray color above, a bag with low angled pink shades, anterior margin almost straight forehead, curly head and neck. Adults have gray feathers whitish color.
Reproduction: Nests in colonies smaller than pelican, sometimes in isolated pairs. Eggs are similar to those of the pelican, the white, chalky appearance. Brooding lasts 35-37 days and usually occurs in May.
White Stork
General: Spring Arrives in our country. Socially adapted to living together near humans. In general, the pair uses a single nest several years in a row.
Description: Poultry large, tall legs, long neck and beak long, straight, cone-shaped, red. Body feathers are white and black chick. The legs are red in adults. White stork feeds on small animals, frogs, fish, they hunt in open spaces where there is moisture. Flight white stork is relatively slow, flat and static, during which keeps the neck straight, stretched forwards.
Reproduction: nest is constructed of twigs, reeds, grass, sticks, roots, soil and more. It is located on a tall tree, electrification poles, chimneys of houses etc being used and maintained by the same pair for years to come. The female lays 3-5 white eggs which are incubated by both partners alternate day. After about 33 days occurs gradually hatching, the chicks remain in the nest another two months, leaving it to the end of July.
Swan of winter
General: A very shy and reclusive bird, protected by law.
Description: (145 cm). Dimenssion body similar to summer swan with completely white plumage. The beak is yellow with black tip without basal protuberance black swan summer feature. Position neck is vertical and not S-shaped feature swan summer position. The tail is short and blunt. In flight, give a shout feature that consists of a rapid succession of three clo-clo-clo.
Reproduction: Nests in the extreme north of Europe, in the Siberian tundra lakes and marshes.
Niciun comentariu:
Trimiteți un comentariu