Saturday, 14 January 2017

Kangaroo Facts

1) The kangaroo is a marsupial. 
2) Animals with young ones nurtured in mother's pouch are called marsupials.
3) Marsupials include kangaroos, wallabies, koalas, possums, opossums, quokkas, pademelons wombats, and Tasmanian devils.
4) Kangaroos belong to the genus Macropus.
5) Kangaroos are endemic to Australia. There is a myth that kangaroo means "I don't understand you," in local language.
6) More than 30 million kangaroos live in Australia.
7) The family Macropodidae includes kangaroos, wallaroo and wallaby.
8) The smallest species of Macropodidae are called "wallabies".
9) The largest species of Macropodidae are called "kangaroos."
10) The smallest macropod is the dwarf wallaby whose length is 46 cm and weight 1.6 kg.
11) The largest macropod is kangaroos.
12) A large male kangaroo can be 2 m (6 ft 7 in) tall and  90 kg (200 lb) weight. (Small kangaroo is 0.5 kg and larger up to 95 kg)
13) Kangaroos have large, powerful hind legs and large feet for leaping.
14) A long muscular tail of the kangaroo is meant for balance.
15) Female kangaroos have a pouch called the marsupium.
16) In the marsupium joeys complete their post-natal development.
17) The kangaroo is an unofficial recognized symbol of Australia.
28) The kangaroo is an official symbol of Qantas and the Royal Australian Air Force.
29) Wild kangaroos are sometimes shot for meat, leather hides, and to protect grazing lands.
40) "Roos" is a colloquial name of Kangaroos.
41) Male kangaroos are called bucks, boomers, jacks, or old men.
42) Female kangaroos are called does, flyers, or jills.
43) Young kangaroos are called joeys.
44) A group of kangaroos is called a mob, troop, or court.
45) The red kangaroo is the largest marsupial.
46) The scientific name of the red kangaroo is Macropus rufus.
47) The range lands of the western New South Wales consist of the highest population density of the red kangaroo.
48) Kangaroos with the largest population are the  eastern greys.
49) The largest hopping animal is kangaroo.
50) The normal hopping speed of a red kangaroo is 20–25 km/h (12–16 mph).
51) The maximum hopping speed of a kangaroo can be 70 km/h (43 mph).
52) Kangaroos exhibit pentapedal locomotion where four limbs and a tail are used.
53) Two hind legs and a tail form a tripod in locomotion.
54) Kangaroos are adept swimmers.
55) Kangaroos are herbivorous ruminants with chambered stomachs. Kangaroos eat grasses, flowers, leaves, ferns, mosses and even insects.
56) The smaller species of kangaroos eat hypogeal fungi.
57) Many species of kangaroos are nocturnal (night lovers) and crepuscular (twilight lovers). 58) Kangaroos show polyphyodonty that is getting several sets of new teeth  during lifetime.
59) Elephants and manatees also show polyphyodonty.
60) Kangaroos do not emit digestive methane.
61) Kangaroos communicate through sniffing.
62) Male kangaroos exhibit the flehmen response by  sniffing females' urine to detect oestrus.
63) Kangaroos fight is "boxing" or "wrestling."
64) The natural predators of kangaroos are dingos, foxes, feral cats, domestic and feral dogs.
64) A large kangaroo use its forepaws to drown its predator enemy in water.
65) The gestation period of kangaroos is 31–36 days.
66) The newly born joey is about the size of a lima bean or a grain of rice, or as big as a bee, at 5 to 25 millimeters (0.2 to 0.9 in).
67) The staying period of a  joey in the mother's pouch is about nine months (180 days); 320 days for the WesternGrey.
68) A joey feeds milk for 18 months.
69) The female kangaroo is usually pregnant in permanence, except on the day she gives birth.
70) The ability of the female kangaroo to freeze the development of an embryo until the previous joey is able to leave the pouch or in unfavourable conditions is known as diapause.
71) The composition of the milk of a female kangaroo varies according to the needs of the joey.
72) A female kangaroo produces two different kinds of milk simultaneously for the newborn and the older joey.
73) Male kangaroos cannot produce sperms during unfavourable dry periods.
74) Female kangaroos conceive only during favourable wet conditions with sufficient green vegetation.
75) Kangaroos and wallabies have large, elastic tendons in their hind legs.
76) A kangaroo's tail acts as a third leg.
77) Kangaroos may get blindness due to a virus called the Wallal virus through carriers called midges.
78) The neonate or newly born joey is blind and hairless.
79) The newly born joey climbs up with front legs in 3-5 minutes.
80) The hindlegs of a newly born are mere stumps.
81) The mother's sexual cycle starts immediately after the birth of a new joey.
82) The lifespan of kangaroos is six years in the wild and 20 years in the captivity. Larger species live around 12-18 years, while smaller rat kangaroos live for 5-8 years.
83) Kurnai tribes use stuffed kangaroo scrotum as a ball for the traditional football game of marngrook.
84) Aherrenge is a kangaroo dreaming site in the Northern Territory.
85) A small vehicle may be destroyed and a larger vehicles may suffer engine damage if they counteract with a kangaroo. 
86) "kangaroo crossing" signs are common places in Australia.
87) Vehicles are often fitted with "roo bars" to minimise damage caused by kangaroo collision.
88) Bonnet-mounted ultrasound devices are used to scare kangaroos off the road.
89) Any joey in the pouch of an accident met female kangaroo is sent to a wildlife sanctuary or veterinary surgeon for rehabilitation.
90) There are five kangaroos on the Australian one dollar coin.
91) The Australian made logo consists of a golden kangaroo in a green triangle.
92) Kangaroo meat is high in protein with only about 2% fat.
93) Most kangaroo meat is from wild animals as a byproduct of population control programs.
94) Mammary glands of kangaroos are present in pouches.
95) The smallest kangaroo is the musky rat-kangaroo which is 15.24 to 20.32 cm (6 to 8 in) long and weighs 340 grams (12 ounces).
96) The springy hind legs and feet of kangaroos are much stronger and larger than forelimbs.
97) Kangaroos can cover 15 feet (7 m) in a single hop.
98) The fifth leg of the kangaroo is its tail.
99) Joeys urinate and defecate in the mother's pouch. Though some of the mess is absorbed by the lining of the pouch, major part is cleaned by mother's  tongue.
100) According to the IUCN 16 species of tree-kangaroos and rat-kangaroos are nearly threatened, threatened, vulnerable, endangered or critically endangered.
101) The desert rat-kangaroo and the Nullarbor dwarf bettong are considered extinct.
102) Global warming could kill off the world's smallest kangaroo.
103) Hopping is a fast and energy efficient means of travelling among kangaroos.
104) There are more kangaroos than humans in Australia.
105) A slow movement of a kangaroo with its tail to form a tripod with its two forelimbs is called "crawl-walking."
106) Each nipple of mother kangaroo  varies the composition of the milk it produces to suit the stage of development of its young ones.
107) The reproductive strategy of kangaroos is that there are 3 stages of foetus or baby development to reproduce at maximum speed in favourable conditions. 
108) Mother kangaroo stops milk production during unfavourable dry conditions. 
109) Each young kangaroo takes 600 days to reach the stage where it can live independently.
110) Most kangaroos have a very low standard metabolic rate, SMR, 70 % of the mean for mammals to survive during severe hot conditions. 
111) Kangaroos cool themselves by spreading saliva on their forearms during extremely hot conditions


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