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McMurdo Dry Valleys, Landsat 7 imagery acquired on December 18, 1999 The Dry Valleys are so named because of their extremely low humidity and lack of snow or ice cover. They are also dry because, in this location, the mountains are sufficiently high that they block seaward-flowing ice from the East Antarctic Ice Sheet from reaching the Ross
[9] [10] [11] Antarctic animals have adapted to reduce heat loss, with mammals developing warm windproof coats and layers of blubber. [12] Antarctica's cold deserts have some of the least diverse fauna in the world. Terrestrial vertebrates are limited to subantarctic islands, and even then they are limited in number. [13]
The McMurdo Dry Valleys region of Antarctica is a polar desert characterized by extremely low annual precipitation (<100 mm (3.9 in)) and an absence of vascular plants and vertebrates; microbial activity dominates biological functioning. [2]
Antarctic fur seals and southern elephant seals, in contrast, while doing much of their feeding at the edge of the continent, breed on subantarctic islands, such as South Georgia. Warmblooded prey makes up a significant proportion of the leopard seal's diet, and is occasionally taken by Antarctic fur seals. Suborder: Caniformia
The previously mentioned antarctic blue whale holds the title of the biggest animal on earth. It can weigh up to 400,000 pounds and reach a length of 98 feet. It can weigh up to 400,000 pounds and ...
[2] [3] First described in 1971, it is endemic to Antarctica and most commonly found in the McMurdo Dry Valleys. S. lindsayae, a microscopic worm, feeds on microbes, including bacteria, yeast, and algae. [4] Adapted to very cold and dry climates, its population may be decreasing as a result of climate change. [5] [6]
In the U.S., during 2020, when adoption rates spiked, 2% more animals left shelters than arrived, according to Shelter Animals Count. However, by 2021, that figure reversed—2% more animals ...
A speculative representation of Antarctica labelled as ' Terra Australis Incognita ' on Jan Janssonius's Zeekaart van het Zuidpoolgebied (1657), Het Scheepvaartmuseum The name given to the continent originates from the word antarctic, which comes from Middle French antartique or antarctique ('opposite to the Arctic') and, in turn, the Latin antarcticus ('opposite to the north').