петък, 13 януари 2012 г.

The Pelican

The pelican is a big bird which weights 10 kg. It lives around not deep waters and in Danube Delta. Pelicans live in colonies, they have 1-3 long yellowish eggs in May, which are hatched by both parents . They eat about 1-2 kg of fish per day. Its plumage is white or yellowish,its feathers and wings are black. They are birds which migrate flying having the shape of V. They live 30 years in nature and 50 years in captivity. They have been declared natural monuments in our country 56 years ago, being also protected.

четвъртък, 16 юни 2011 г.

сряда, 15 юни 2011 г.

Dolphins




Dolphins have a streamlined fusiform body, adapted for fast swimming. Most dolphins have acute eyesight, both in and out of the water, and they can hear frequencies ten times or more above the upper limit of adult human hearing.
The Black Sea live 3 types of dolphins - ordinary Afalina and porpoises. On our shores they are found most frequently from late March to late November.
20 times decreased dolphins in the Black Sea compared to the period 1960-1965. Disturbed ecological balance and poaching are the main reason for the disappearance of dolphins. Some of thrm entangled in fishing nets.
In Varna we have Dolphinarium where children can watching dolphins.

петък, 8 април 2011 г.

Bat




Bats are flying mammals in the order Chiroptera (pronounced . The forelimbs of bats are webbed and developed as wings, making them the only mammals naturally capable of true and sustained flight. By contrast, other mammals said to fly, such as flying squirrels, gliding possums and colugos, glide rather than fly, and can only glide for short distances. Bats do not flap their entire forelimbs, as birds do, but instead flap their spread out digits,[2] which are very long and covered with a thin membrane or patagium.
There are about 1,100 bat species worldwide, which represent about twenty percent of all classified mammal species. About seventy percent of bats are insectivores. Most of the rest are frugivores, or fruit eaters. A few species such as the Fish-eating Bat feed from animals other than insects, with the vampire bats being the only mammalian parasite species. Bats are present throughout most of the world and perform vital ecological roles such as pollinating flowers and dispersing fruit seeds. Many tropical plant species depend entirely on bats for the distribution of their seeds.

понеделник, 4 април 2011 г.

Golden Sands Nature Park




Golden Sands Nature Park is a national park on the Bulgarian Black Sea Coast in Varna Province. It is spread on an area of 1320.7 hectares. The park is 9.2 km long and on the average 1.2 km wide; it was declared a protected territory in 1943 (under the name Hachuka State Forest). According to the criteria of the World Conservation Union, it ranks fifth category on the list of protected territories.
Under protection are 20 other rare and endangered species (snowdrop, Caucasian primula, orchids, etc.) The flora of the park includes a total of about 500 plant species.
Two amphibious, 8 reptile, 78 avian and 25 mammal species inhabit the park. The water-covered areas are populated by amphibious species. Among the variety of reptiles some protected species are Aesculapian snake, green whip snake, and tortoise. Of the 78 avian species most common are blackbirds, thrushes, tits, woodpeckers, jays, and common buzzards. Of the predatory birds the most common are goshawks, eagle owls, and tawny owls. In the water basins nest moorhens and green-headed duck.