After today, I'll bet Santa takes a shovel to the reindeer stalls to fill your stocking. They do this by changing the colour of their tapetum lucidum, a layer of tissue behind the retina that reflects light. In the long, bright summer light it is gold, but in winter it turns blue. The colour change means that less light escapes from the eyes giving them a kind of night vision.
Reindeer are thought to be the only mammal able to see UV light. This increases contrast allowing them to see dark lichen against the snow and ensuring that they can find food during the long, dark winters.
Reindeer shed their antlers at different points of the year based on their sex and age. Older male reindeer lose their antlers in December but Christmas reindeer are always depicted with their antlers. Of all colors, Red Light penetrates fog best. That's why Benny the Blue-nosed reindeer never got the gig. Speedy Reindeer Siberian criminals use getaway sleds. Local indigenous minority populations are extremely skilled at driving reindeer-pulled sleds, which are much faster over snow than police snowmobiles.
In , the Moscow Times reported that plans were afoot for a police reindeer division to tackle this specific problem. To reach every chimney in the world in one night, Santa and his reindeer need to travel million miles, moving at an average speed of 1, miles per second.
Reindeer are the only deer species which have hairy noses rather than shiny and moist ones. Their noses are specially adapted to warm the air they breathe before it enters their lungs. Their noses also condense water in the air, so they can keep their mucous membranes moist. Their fur traps air, which not only helps provide them with excellent insulation, but also keeps them buoyant in water, which is critical because they often travel across massive rivers and lakes when migrating.
Even their hooves are special. In the summer, when the ground is wet, their foot pads are soft, providing them with extra traction. In the winter, the pads tighten, revealing the rim of their hooves and that provides traction on slippery snow and ice. A poronkusema is a distance of about 7.
Rudolph the red nosed reindeer was almost called Reginald. Urine Attraction Reindeer are unique amongst deer in that they are actually attracted to the smell of human urine; Finnish and Siberian people have used this fact as a way of luring them for centuries. The maximum number of reindeer permitted in Finland by law is , legislation. Because of a clicking tendon in their feet, a herd of migrating reindeer sounds like a castanet convention. Gammelost is a Norwegian cheese made from reindeer's milk.
When native peoples kill reindeer they sometimes eat the stomach contents of partially digested lichens and other plants. The only female deer to have antlers are reindeer.