Few animals serve as icons for their continents quite like kangaroos, which truly symbolize Australia. Kangaroos are cool, cute and we know so little about them. Meanwhile, kangaroos are the largest marsupials alive today and they have so much to tell us. Like, what's hidden in their pouches? In this video we're gonna explore the world of marsupials and what makes them different from other Australian animals. Also, we're gonna find out how the marsupials made it to Australia if the oldest fossils of marsupials were found in North America… #brightside TIMESTAMPS
Inside a kangaroo's pouch 00:00
When the Joey develops 00:55
Red Kangaroo 01:15
Eastern Grey 01:35
Antilopine Kangaroo 01:46
Western grey 02:00
Macropods 02:26
Origin of marsupials 02:55
Marsupial milk 03:55
Echidna 06:00
Koala 06:26
Eucalyptus trees 06:48
Bunyip 07:34
Thylacoleo 08:56
Diprotodon 09:04 SUMMARY
– The short answer is Kangaroo's use the pouch to carry their young, or "Joey". – They need the bag because, after a short gestation period of up to 36 days, the Joey is born and crawls into the pouch for their continued development, where other mammals would not;
– Once the Joey develops enough, it can leave the pouch and stretch its legs to adapt to the world outside;
– But it will still go back to feed inside the pouch for a further 6 to 12 months;
– The Red Kangaroo is found throughout the mainland, though generally in deserts and open grasslands;
– The Eastern Grey are the second largest, with a height of 5 feet tall and a weight of up to 180 pounds;
– The Antilopine Kangaroo, the smallest of the four, is located in the far northern tropical regions;
– You'll find the Western grey in the southwestern and southern areas of the continent, weighing up to 120 pounds while standing up to 4 feet tall;
– Although what makes the Kangaroo so unique isn't uncommon in Australia, they share evolutionary traits with other classifications of Macropods;
– The oldest fossils of marsupials were found in North America, but it is clear that the marsupials slowly made their way down under came through South America, across Antarctica, until finally into Australia;
– The Echidna is another mammal altogether and not a marsupial. It is of the monotreme order;
– The Koala has adapted through the warming of the weather in Australia;
– Eucalyptus trees became more prominent as they more easily adapted to drier climates. Over 70 percent of native forestry in Australia is currently eucalyptus;
– Indigenous Australians have stories from the 'dream-time,' telling tales of weird animals that existed. Credit: Joey (baby kangaroo) in its mother’s pouch: By Geoff Shaw – Picture uploaded by en:User:Schutz, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/, https://commons.wikimedia.org/w/index.php?curid=244336 Tachyglossus aculeatus baby Museums Victoria: By Ian R McCann – https://collections.museumsvictoria.com.au/species/8416, Museums Victoria, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/, https://commons.wikimedia.org/w/index.php?curid=62696397 Bunyip Colored Version 2: By Original – Macfarlane, J., Colorized verison – CryptoTom – ABORIGINAL MYTHS. – THE BUNYIP, CC BY 4.0 https://creativecommons.org/licenses/by/4.0/, https://commons.wikimedia.org/w/index.php?curid=46166883 Diprotodon optatum: By Nobu Tamura (http://spinops.blogspot.com) – Own work, CC BY 3.0 https://creativecommons.org/licenses/by/3.0/, https://commons.wikimedia.org/w/index.php?curid=19461044 By CSIRO, CC BY 3.0 https://creativecommons.org/licenses/by/3.0/: https://commons.wikimedia.org/w/index.php?curid=35460738 (CSIRO ScienceImage 2165 Feeding Young Kangaroos in the Pouch), https://commons.wikimedia.org/w/index.php?curid=35460507 (CSIRO ScienceImage 2123 Kangaroo Just After Birth), https://commons.wikimedia.org/w/index.php?curid=35458226 (CSIRO ScienceImage 2059 A Fiftydayold Kangaroo in Pouch) Animation is created by Bright Side.
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