Right! Narwhals are called sea unicorns: male narwhals havea long spiral-shaped tooth protruding from the upper jaw. Accordingto some researchers, the whale uses it to learn about water pressure, temperature and salinity.
This species of rodents living in the Arctic latitudes have claws on their front feet that grow together into hoofs that help the animal to dig through snow in search of food.
Lemmings
Squirrels
Field voles
You are absolutely right. There is a genus of rodents calledArctic lemmings. In the winter, the claws on their front feet growespecially long and look like hoofs.
These living even-toed ungulates are as old as mammoths. They have a long, thick coat that hangs down to the ground, as well as rounded horns that curve down.
Bison
Mountain goat
Musk oxen
Wrong! Bison look different: their hair is short,while their horns are curved sideways.
Right! There are different versions of why bearded sealsare called sea hares. One of them is their ability to jump high,and another one is their fearfulness.
You’re right! Reindeer’s eye color changes depending on the season. This adaptive trait increases their ability to perceive light, which helps reindeer see predators better in the dark.