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  2. From Ice Age to Modern Day: How Reindeer Thrive in Extreme Cold

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    These hardy animals have some of the longest migration patterns in the animal kingdom. Reindeer typically migrate to forage for food. Reindeer feed on grass, moss, lichen, and other vegetation.

  3. Discover the Incredible Adaptations That Help Reindeer Thrive ...

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    The bacteria and protozoans in the stomach of a reindeer break down lichen compounds into sugars that the animals use for sustenance. Reindeer need a lot of food to survive a long winter.

  4. Discover the Epic Journey of Reindeer: From Tundras to Forests

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    Reindeer’s cloven hooves are well adapted to survive the cold. During colder months, a reindeer’s hooves toughen up, allowing them to step on frozen, harsh terrain. Their eyes are adapted to ...

  5. Ectotherm - Wikipedia

    en.wikipedia.org/wiki/Ectotherm

    An ectotherm (from the Greek ἐκτός (ektós) "outside" and θερμός (thermós) "heat"), more commonly referred to as a "cold-blooded animal", [1] is an animal in which internal physiological sources of heat, such as blood, are of relatively small or of quite negligible importance in controlling body temperature. [2]

  6. Mountain reindeer - Wikipedia

    en.wikipedia.org/wiki/Mountain_reindeer

    The mountain reindeer has several physiological adaptations to cope with different environmental temperatures. Reindeer have hemoglobin that allows for high oxygen unloading even at very cold temperatures. [1] This is essential because reindeer limbs are often kept much colder than core body temperature, a phenomenon known as regional ...

  7. Allen's rule - Wikipedia

    en.wikipedia.org/wiki/Allen's_rule

    Allen's rule - Hare and its ears on the Earth [1]. Allen's rule is an ecogeographical rule formulated by Joel Asaph Allen in 1877, [2] [3] broadly stating that animals adapted to cold climates have shorter and thicker limbs and bodily appendages than animals adapted to warm climates.

  8. Svalbard reindeer - Wikipedia

    en.wikipedia.org/wiki/Svalbard_reindeer

    The Svalbard reindeer (Rangifer tarandus platyrhynchus) is a small subspecies or species of reindeer found on the Svalbard archipelago of Norway.Males average 65–90 kg (143–198 lb) in weight, females 53–70 kg (117–154 lb), [2] while for other reindeer generally body mass is 159–182 kg (351–401 lb) for males and 80–120 kg (180–260 lb) for females.

  9. From Antlers to Ultraviolet Vision: 10 Amazing Reindeer Facts

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    While many other animals would find it difficult to adapt or survive in the snow, reindeer seem built for life in the snow. Its habitat, known as tundra, is cold all year round.