Unusual Animals Narwhal: Is this the most unusual whale in the world? It is about animals that live in the Arctic waters of Canada, Greenland, Norway and Russia. Disable “horn” can grow to five meters. They feed on fish such as flounder and cod, squid and shrimp. FOR unusual teeth (fangs) that pierces the upper lip and grows up to three meters in length narwhal whales often referred to as sea unicorns.