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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.
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.
[2] [41] The word reindeer is an anglicized version of the Old Norse words hreinn ("reindeer") and dýr ("animal") and has nothing to do with reins. [42] The word caribou comes through French, from the Mi'kmaq qalipu, meaning "snow shoveler", and refers to its habit of pawing through the snow for food. [43]
Baby reindeer are called calves, as are baby moose and cows. However, other baby deer species are commonly called fawns, making it even more interesting that baby reindeer do not have the same ...
Heterothermy or heterothermia (from Greek ἕτερος heteros "other" and θέρμη thermē "heat") is a physiological term for animals that vary between self-regulating their body temperature, and allowing the surrounding environment to affect it.
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.
Reindeer also travel, feed, and rest together in the wild, sometimes forming super-herds of up to 500,000 animals. Tundra reindeer migrate between forest and tundra in these massive groups in an ...
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]