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Reindeer are a species of deer also known as caribou in certain regions. They are found in the Arctic tundra and boreal forests. Finland is home to a small population of woodland reindeer.
Reindeer evolved during the last ice age to withstand temperatures as low as minus 94°F (minus 70° C. Yes, you read that right. This is an amazing feat, accomplished only by a select group of ...
Reindeer have adapted to endure the cold and survive extreme winters. In North America, wild reindeer will seek shelter and tough out winter in forested areas. In the spring, when the days become ...
Reindeer meat is popular in the Scandinavian countries. Reindeer meatballs are sold canned. Sautéed reindeer is the best-known dish in Sápmi. In Alaska and Finland, reindeer sausage is sold in supermarkets and grocery stores. Reindeer meat is very tender and lean. It can be prepared fresh, but also dried, salted and hot- and cold-smoked.
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 ...
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]
Reindeer live in the northernmost parts of the world, where winter temperatures drop to -40 degrees. These arctic climates make it a necessity for the reindeer to migrate if they want to survive.
Several named Rangifer fossils in Eurasia and North America predate the evolution of modern tundra reindeer. Archaeologists distinguish “modern” tundra reindeer and barren-ground caribou from primitive forms — living and extinct — that did not have adaptations to extreme cold and to long-distance migration. [30]