CLASSIFICATION
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Cetartiodactyla Family: Monodontidae Genus: Monodon Species: Narwhal MORPHOLOGY -Narwhals (males) have a single unicorn-like tusk that extendes from the upper lip that spirals. -flexible neck -blue, black, grey, and white bodies -bilateral symmetry FACTS 1) Live in groups of 2-10 2) Dive anywhere from 7-20 minutes white hunting 3) Migrate annually in large groups 4) Eat fish, squid and shrimp 5) Females give birth once every 3 years 6) Males do not grow their tusks until about 1 year old |
VOCAB
Cestacean: group that includes all whales, dolphins, and porpoises. Gestation: the state of being pregnant Tusks: a tooth developed to great length Dorsal Fin: The unpaired fin found on the back of the body of fish, or the raised structure on the back of most cetaceans By-Catch: In the fishing industry, the part of the catch made up of non-target species BIOLOGY 1) Flexible neck to scan water for prey 2) High range of echo location http://www.arkive.org/narwhal/monodon-monoceros/#image-G77838.html http://dictionary.reference.com/browse/tusks?s=t https://www.google.com/search?q=narwhals&safe=strict&rls=com.microsoft:en-us:IE-Address&source=lnms&tbm=isch&sa=X&ei=-qBWU5LpKqXFsAS4voGACg&ved=0CAgQ_AUoAQ&biw=1280&bih=939 http://w3.shorecrest.org/~Lisa_Peck/MarineBio/syllabus/ch9vertebrates/mammals/mammalwp/class_of_2005/kevin2/narwhaladaptations.html |