Which birds spend most of their lives in flight? Detailed answer

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Which birds spend most of their lives in flight? Detailed answer

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Which birds spend most of their lives in flight?

Albatrosses are unsurpassed masters of soaring flight. The wind has become their main ally. Reflected from the surface of the waves, powerful air currents rush upward and are skillfully caught by the long, strong wings of birds soaring without the slightest effort over the stormy ocean.

The stronger the wind blows, the steeper the wave cleared up, the more easily the bird is carried forward by its motionless spread wings to the places of accumulation of crustaceans and squids - a favorite delicacy of albatrosses. In search of food, albatrosses can travel thousands of kilometers, which is why they spend most of their lives in flight. They land on land only to hatch their chick.

Albatrosses nest in colonies on the islands - where it is windy and there are cliffs from which you can take off. The birds take turns incubating the egg, and then they warm the chick until it grows up - then it can be left alone without fear that it will freeze. Interestingly, at a certain point, the chicks become larger than their parents, although before the first flight they acquire a normal size - a lot of energy is required for the growth of plumage.

Author: Cellarius E.Yu.

Random interesting fact from the Great Encyclopedia:

When did the ice age end?

Many of us believe that the Ice Age ended a very long time ago and no traces of it remain. But geologists say we're only getting closer to the end of the Ice Age. And the inhabitants of Greenland are still living in the Ice Age.

Approximately 25 thousand years ago, the peoples who inhabited the central part of North America saw ice and snow all year round. A huge wall of ice stretched from the Pacific to the Atlantic Ocean, and north to the very Pole. It was during the final stages of the Ice Age, when all of Canada, most of the United States, and northwestern Europe were covered in a layer of ice over one kilometer thick.

But this does not mean that it was always very cold. In the northern part of the United States, the temperature was only 5 degrees below present. The cold summer months caused the Ice Age. At this time, the heat was not enough to melt the ice and snow. It accumulated and eventually covered the entire northern part of these areas.

The Ice Age consisted of four stages. At the beginning of each of them, ice formed, moved south, then melted and retreated to the North Pole. This happened, it is believed, four times. Cold periods are called "glaciation", warm - "interglacial" period.

The first phase in North America is believed to have started about two million years ago, the second about 1 years ago, the third about 250 years ago, and the last about 000 years ago.

The rate of ice melting at the last stage of the ice age in different regions was not the same. For example, in the area of present-day Wisconsin in the United States, ice melt began about 40 years ago. The ice that covered the New England area in the US disappeared about 000 years ago. And the territory of the modern state of Minnesota was freed by ice only 28 years ago!

In Europe, Germany freed itself from ice 17 years ago, while Sweden only 000 years ago.

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Disposable mobile phone 29.04.2001

American inventor Randy Altshul has developed a "disposable" cell phone.

Already this summer, two models will be offered to customers: one will only allow you to make calls yourself, the other will also allow you to receive calls. A simpler one will be sold for $10, a more complex one - $2-3 more (although some economists believe that such a price can only be advertising, temporary - it will not pay back the expenses of the manufacturer and the telephone company).

Both models have the appearance of a plate the size of a credit card, but thicker than it. They have all the really necessary properties of a conventional mobile phone. Reduced size and prices are explained by the fact that the disposable phone is devoid of all sorts of gadgets such as a phone book, electronic games, dictation dialing, Internet access, and so on, and the built-in six-volt battery cannot be charged.

The phone uses two microcircuits, all connections between them and other parts are printed with conductive ink on paper folded like an accordion inside the cardboard case. In the future, manufacturers intend to completely abandon microcircuits, the phone will consist of one paper printed circuit, which will further reduce its cost. The price includes payment for an hourly call, but later on you can pay extra to the company to which the phone is connected and talk until the battery runs out.

Who will buy disposable phones? Tourists who came to a foreign country for two or three weeks, business travelers, those who forgot their phone at home, and in general everyone who, for some reason, needs a cell phone for a short time and as cheaply as possible.

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