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Arctic hares feed primarily on woody plants, with arctic willow constituting 95% of their diet year-round. [15] Arctic hares predominantly consume saxifrage, crowberry, and dwarf willow, but can also eat a variety of other foods, including lichens and mosses, blooms, other species' leaves, twigs, and roots, mountain sorrel and macroalgae (seaweed).
Although there are many lichen species throughout the world, only a few species of lichen are known to be both edible and provide any nutrition. [6] Two problems often encountered with eating lichens is that they usually contain mildly toxic secondary compounds, and that lichen polysaccharides are generally indigestible to humans. Many human ...
Xanthaptychia aurantiaca, the Arctic orangebush lichen, is a species of terricolous (ground-dwelling), fruticose lichen in the family Teloschistaceae. [3] This small orange lichen is endemic to the Canadian Arctic and is known from a few scattered collections across this region.
Some of the larger animals that exist are foxes, wolves, rabbits, hares, polar bears, reindeer/caribou. There are various bird species that have been spotted in the Arctic. Eight species of birds reside on the polar tundra year round while 150 breed in the Arctic. [16] The birds that do breed go to the Arctic between May and July.
Brodoa oroarctica, commonly known as the Arctic sausage lichen, mountain sausage lichen, or rockgrub, is a species of rock-dwelling, foliose lichen in the family Parmeliaceae. [2] First described in 1974 by the Norwegian botanist Hildur Krog , it is characterised by its dark grey, irregularly spreading thallus with narrow cylindrical lobes that ...
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A lichen (/ ˈ l aɪ k ən / LIE-kən, UK also / ˈ l ɪ tʃ ən / LI-chən) is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungi species, along with yeasts and bacteria [1] [2] embedded in the cortex or "skin", in a mutualistic relationship.
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