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Brazilian Shorthair



The Brazilian Shorthair is a breed of cat. It is the first cat breed from Brazil to receive international recognition.

The Brazilian Shorthair is a medium-sized cat of great agility. The breed can be distinguished from the American Shorthair by its sleek and elegant appearance. Yet, cats of the breed are not as thin as the Siamese. The coat is short and close to the skin and comes in a wide variety of colors and patterns. The space between the eyes should be equal to the size of one eye. Brazilian Shorthairs have dramatically expressive eyes. They are longer than they are tall. Males have bigger heads than females.

Fixed-wing aircraft



The forerunner of the fixed-wing aircraft is the kite. Whereas a fixed-wing aircraft relies on its forward speed to create airflow over the wings, a kite is tethered to the ground and relies on the wind blowing over its wings to provide lift. Kites were the first kind of aircraft to fly, and were invented in China around 500 BC. Much aerodynamic research was done with kites before test aircraft, wind tunnels, and computer modelling programs became available.

German Shepherd



The German Shepherd (German: Deutscher Schäferhund, German pronunciation: [ˈʃɛːfɐˌhʊnt]) is a breed of large-sized working dog that originated in Germany. The breed's officially recognized name is German Shepherd Dog in the English language, sometimes abbreviated as "GSD", and was also formerly known as the Alsatian and Alsatian Wolf Dog in Britain.[4] The German Shepherd is a relatively new breed of dog, with their origin dating to 1899. As part of the Herding Group, German Shepherds are working dogs developed originally for herding sheep. Since that time, however, because of their strength, intelligence, trainability and obedience, German Shepherds around the world are often the preferred breed for many types of work, including assistance, search-and-rescue, police and military roles, and even acting.[5] The German Shepherd is the second-most popular breed of dog in the United States[6] and fourth-most popular in the United Kingdom.[7]

Lighter than air – aerostats




Aerostats use buoyancy to float in the air in much the same way that ships float on the water. They are characterized by one or more large gasbags or canopies, filled with a relatively low-density gas such as helium, hydrogen, or hot air, which is less dense than the surrounding air. When the weight of this is added to the weight of the aircraft structure, it adds up to the same weight as the air that the craft displaces.

Small hot-air balloons called sky lanterns date back to the 3rd century BC, and were only the second type of aircraft to fly, the first being kites.

Maine Coon



The Maine Coon is among the largest domesticated breeds of cat. It has a distinctive physical appearance and valuable hunting skills. It is one of the oldest natural breeds in North America, specifically native to the state of Maine,[2] where it is the official state cat.

Although no records exist regarding the Maine Coon's exact origins and date of introduction to the United States, there are multiple competing theories. The breed was popular in cat shows in the late 19th century, but its existence became threatened when long-haired breeds from overseas were introduced in the early 20th century. The Maine Coon has since made a comeback and is now one of the most popular cat breeds in the world.

Rotorcraft



A rotorcraft or rotary-wing aircraft is a heavier-than-air flying machine that uses lift generated by wings, called rotary wings or rotor blades, that revolve around a mast. Several rotor blades mounted on a single mast are referred to as a rotor. The International Civil Aviation Organization (ICAO) defines a rotorcraft as "supported in flight by the reactions of the air on one or more rotors". Rotorcraft generally include those aircraft where one or more rotors are required to provide lift throughout the entire flight, such as helicopters, cyclocopters, autogyros, and gyrodynes. Compound rotorcraft may also include additional thrust engines or propellers and static lifting surfaces.

Sphynx cat



The Sphynx is a breed of cat developed through selective breeding starting in the 1960s, known for its lack of a coat (fur), though it is not truly hairless. The skin should have the texture of chamois, as it has a fine layer of down. Whiskers may be present, either whole or broken, or may be totally absent. The skin is the color their fur would be, and all the usual cat marking patterns (solid, point, van, tabby, tortie, etc.) may be found on Sphynx skin. Because they have no coat, they lose more body heat than coated cats. This makes them warm to the touch as well as heat-seeking.

The Siberian Husky



The Siberian Husky (Russian: сибирский хаски, "Sibirsky hasky") is a medium size, dense-coat working dog breed that originated in north-eastern Siberia. The breed belongs to the Spitz genetic family. It is recognizable by its thickly furred double coat, erect triangular ears, and distinctive markings.

Huskies are a very active, energetic, and resilient breed whose ancestors came from the extremely cold and harsh environment of the Siberian Arctic. Siberian Huskies were bred by the Chukchi of Northeastern Asia to pull heavy loads long distances through difficult conditions. The dogs were imported into Alaska during the Nome Gold Rush and later spread into the United States and Canada. They were initially sent to Alaska and Canada as sled dogs but rapidly acquired the status of family pets and show dogs.

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