scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 912
The Beaver Castor canadensis Beaver is a mans best friend Just kidding but the Beaver is the largest semi-aquatic mammal in the order Rodentia The family Castoridae contains a single genus Castor with two species Castor canadensis found in the New World and Castor fiber found in the Old World The two species differ mainly in the shape of the nasal bones and are so much alike that some authorities consider them to be varieties of the same species Since 1975 Castor canadensis has been an official emblem of Canada Beavers are about 3 ft in total length Their long flat thick tail is about 1 ft long They weigh an average of 30 70 lbs but specimens as heavy as 90 lbs have been found and some extinct beavers were almost bear-like in size The body is plump the back arched and the neck is thick The skull is massive with marked ridges for fixing the muscles that work the jaws Like all rodents their teeth continue to grow their entire lives While underwater beavers can close their mouth by closing a flap located behind their teeth allowing them to chew while holding their breath Their ears and nostrils are valvular and also close while underwater Furthermore transparent eyelids called nictitating membranes close so the beaver can see underwater The hind feet are webbed and all fingers front and back have long claws The tail is flattened horizontally scaled and relatively hairless It acts as a rudder while swimming as a prop for standing upright as a lever for dragging tree logs and as a noisemaker for producing a warning signal when it is slapped on the water The under-fur of the body is very dense and is a lead-gray color The upper-fur or guard hair is long and coarse The color may range from yellowish-brown to black with reddish-brown being the most common The webbed hind feet primarily
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA