in the year 1629 reported the Dutch captain Pelsaert of a nature of the size of a human being with a deer-head and a long tail, that could jump, like a frog. it obviously meant a giant-kangaroo by it. These animals probably are the most known representatives of the marsupials. they are regarded as classic examples of the totality of the kangaroos although this group is very multifarious.
Physique The smallest types of the kangaroos, who reach the biggest, are the vertex-height of a human being only approximately rat-big raised. The front-legs are usually short. Five often strongly bekrallte awards them toes the look of hands. The rear-feet are more or less extended. Only with the musk-rat-kangaroos, another big-toe exists, the remaining kangaroos lack it. The 2. and the 3. Toe is small. As they are with all the Zehenbeutlern (marsupial) from a common skin of umwachsen. The 4. Toe is clearly extended and develops more powerfully than the others. it carries a big nail. The 5. Toe is again more weakly trained. The tail can be shortly, but also very long. it usually is body-similarly hairy. If it is used as support, so it is powerful at the root and tapers at the end to. In other cases, it serves as Balancierorgan (Z). B. Rock-kangaroos and tree-kangaroos, and is equally thick on its whole length. The denture can have developed differently. The upper jaw usually contains powerful edge-teeth. The two low are directed especially big, chisel-shaped keenly and horizontally forward. The bag is well trained and opened forward. it contains 4 teats.
Way of life The habitats of the kangaroos are very diverse. Some types are pure steppe-inhabitants, others prefers rocky terrain; some live mainly on trees. Still, there are forms, that live in the high grass, in the thicket of the sub-growth of forests or in light brushland-ships. Kangaroos of the open steppes usually are very fast animals, who develop a huge jump-strength with its mighty hind legs. The bush-inhabitants often have shorter hind legs.
Kangaroos are herbivores. One could observe ruminating with some types from food. they frequently live individually or in small troops, that consist of a male and several females with its boys. Smaller types succeed an old of 8 years in 12 and big 16 years becoming middle old.
After a Tragzeit of 30 - 40 days, every year was usually born a young. The bag-time can last up to 250 days.
The kangaroos are spread about Australia, Tasmania, New Guinea and the neighboring islands.
System The Ãœberfamilie of the kangaroos is subdivided in 2 families with altogether 19 types and 51 types according to newer findings: the rat-kangaroos (family Potoroidae) as well as the actual kangaroos (family Macropodidae) whose representatives is introduced in the following one or but under own keywords is dealt with.
Nail-kangaroos As the nail-kangaroos (type Onychogalea) show peculiarity a horn-nail in the construction of its tail at the tail-top. its meaning is unknown. The approximately hare-big, twilight-loving animals live in under-growth-rich forest and parklands.
Approximately, the hare-kangaroos and the Filander are from same size.
Dwarf-stone-kangaroos The dwarf-stone-kangaroos (type Peradorcas) are only rabbit-big. its head is short with pointed muzzle and short ears. The tail is equally thick and serves as Balancierorgan. they live in bush-existed rock and hill-landscapes. Over its way of life is very little known.
The rock-kangaroos are widespread with rocky areas.
Bush-kangaroos One finds the cats in the dense sub-growth of the forests and brushland-ships - until dog-big bush-kangaroos (type Dorcopsis). its head is slim and pointed and carries small ears. they live from grass, herbs and foliage.
The 7 types of the tree-kangaroos form a quite uncommon group.
Short-tail-kangaroos With the short-tail-kangaroos or Quokkas (type set-onyx), the tail and the hind legs are notably short. Also the ears hardly protrude from the fur. Quokkas live in the bush and grass-thickets of the wetlands Südaustraliens.
The groups of the Wallabies and giant-kangaroos are known as the "typical" kangaroos all over the world. they are quite extensive and include several types.
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