Mingming Liu
Zoology 140
Oct, 25.2015
Observation
Eastern Fox Squirrel (Sciurus niger).
The eastern fox squirrel (Sciurus niger) is the largest tree squirrel [1]. The animal is 10 to 15 inches and possesses three diverse color patterns. Firstly, in the southern segment of its range, this creature is dark with a white tip on its tail and a white band of color on its face. Secondly, in the northeastern part of its body, it has a gray appearance above with yellowish undersides. Thirdly, in the western section of its body, it is dark above and has a rust color underneath. This creature is a solitary animal, even though it shares a feeding territory with other squirrels. The eastern fox squirrel commonly occurs in the central and the eastern United States west to the Texas Colorado, and Dakotas [1]. It does not inhabit New England, most of eastern and northern Pennsylvania, western New
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They first manipulate it using their paws, hold it loosely in their limbs, and rotate it in their mouth, and later move the head (head flick) in a rapid rotation as they hold the food in the mouth. There is a high correlation between head flicking (rotation) with the subsequent eating, rather than caching food. These unusual traits probably assess the likelihood of spoilage, weight, or other features of food quality.
After examining a food item, fox squirrels either cache or eat it, frequently moving to a locality away from the source of food. These squirrels begin the process of caching with digging. They then tap the nut with their front teeth to fix it more firmly in the ground. On the first day of observation, the fox squirrel ran away quickly once it saw me and took refuge in a tree. This conduct shows that these animals take advantage of their maneuverability and agility in the trees to flee their predators. They also produce alarm calls that probably alert other squirrels when they are
resides in Canada, the United States, and Mexico. This species is migratory through most of its range,
Unlike many other rodents the flying squirrel does not hibernate. Instead they group together during the winter and cold month’s to maintain warmth. Northern flying squirrels usually communicate with a soft low chirp but also cluck just like other squirrels when distressed. These squirrels also use scent and touch to communicate with one another; utilizing their excellent senses of hearing, smell, vision, and touch to correspond with the signals they emanate. “A major food source for the squirrels are mycorrhizal fungi (truffles) of many different species, though they also eat lichens, mushrooms, all mast-crop nuts, tree sap, insects, carrion, bird eggs and nestlings, buds and flowers. The squirrels are special in that they can find truffles by olfaction, which is the use of smell. They also seem to use clues such as the presence of wood debris, indicating a decaying log, and spatial memory of locations where truffles were found in the past. The northern flying squirrel is also known to stash food for when food supplies are lower such as in the winter. These caches can be in cavities in trees, as well as in the squirrels' nest, or even within the ground. Lichens and seeds are the commonly stored items” (9). Yet in this relationship the most important functions of this squirrel are to provide food for the owls, and in addition, to greatly
They are very secretive birds. They rarely hunt before dark. When they hunt they make silent, low passes over and open place and then they snatch their prey. They eat small rodents like mice, voles, and rats. They occasionally eat young rabbits and small birds and snakes. Roosting, or resting for sleep, is usually done in the thick parts of the trees where they can camouflage and hide. Communities of owls often roost together in the winter. Long-eared Owls can make a wide variety of hoots, squeaks, and barks. They can even clap their wings! Long-eared Owls require a combination of grassland and other open country for hunting and dense tall shrubs or thick trees for nesting and roosting. Their favorite winter habitats are pine and fir
The mutated Brown-throated sloth should sexually reproduce. The mutated Brown-throated sloth has turbo speed, to run away from predators, with a heterozygous genotype. Also, it has a bright stripe, which alerts predators to its presence, with a homozygous recessive genotype. If the sloth were to reproduce asexually, the offsprings would be a copy with the bright stripe and turbo speed. But, if it were to reproduce sexually with a mate that has no turbo speed with a homozygous recessive genotype, and no bright stripe with a homozygous dominant genotype, the offsprings would have a fifty percent chance of turbo speed and a one-hundred percent chance of no bright stripe. The sloth should reproduce sexually because of the possible offsprings. With
The Vulpes Vulpes (the red fox) adapt well to suburban and rural communities. Large predators have been pushed away from areas with humans however, red foxes “took advantage of the changed habitat”. “They live in parks and woodland edges and red foxes will readily eat whatever is available. Red foxes are solitary, so it is easy for them to hide and escape people” (National wildlife federation https://www.nwf.org/Wildlife/Wildlife-Library/Mammals/Red-Fox.aspx). Red foxes can be found throughout the United States from Alaska to Florida. The smallest population is in the Southwest, where it is not common to see a red fox. In New York state, a lot of red foxes can be found in places like upstate, long island and new Jersey in forests and therefore
This graph reflects genotype frequency over time and the domination of the gray squirrel (bb) population; they are almost 1 times to 4 times more than black squirrel populations (both BB &Bb) over generations. The black squirrel populations (both BB &Bb) is more stand out in the wooded environment, that’s why they become very noticeable to their predators. The situation becomes worsen during the colder months, the grayish trees give more advantage to gray squirrel (bb) population. Since the gray squirrel (bb) population is covered by grayish trees, black squirrel populations (both BB &Bb) are too obvious and become main target of the predators. Therefore, the black squirrel populations (both BB &Bb) size is keep decreasing; they almost extinct
The eastern cottontail rabbit is a species of the genus Sylvilagus. The eastern cottontail rabbit just as its name suggest is commonly found in the eastern U.S., eastern Mexico, Central America, Southern Canada and the northernmost part of South America. Eastern cottontail rabbits prefer their habitat to be in an open grassy area with shrubs in the area to use as places to escape predators. Nests called forms are made by eastern cottontail rabbits to use as an area to give birth. The nests are only built by female eastern cottontails and are made using grass from the surrounding area and fur from the female rabbit. The diet of eastern cottontail rabbits vary depending on what is available to consume in the area. Eastern cottontail rabbits mainly eat grass, bark, twigs, seeds and sedge fruits. In order to get more nutritional value from what the rabbit had consumed they produce two different fecal pellets, one pellet is consumed and redigested. Many of the eastern cottontail's predators rely on them as a major source of food such as bobcats, weasels and coyotes. When being hunted, eastern cottontail rabbits run in a zigzag kind of pattern while speeding up to 29 km/h. Newborn eastern cottontail rabbits are born blind, deaf and they have a thin coat of hair, this means they are an altricial species and they are required to be taken care of for a certain amount of time. I believe that eastern cottontail rabbits are incredibly fascinating and that you should take time learning about
It is evident that in this case confidentiality was very limited. Living on the reservation in such a tight-knit community creates very little room for privacy for a family. This privacy can usually be invaded by other members of the community and even sometimes government officials of the community. The worker in this case was limited to what confidential information she could obtain about the Red Fox family. During the assessment phase, the worker wanted to view more of the history of the Red Fox family and their past intervention experiences. This confidential information required permission from the family for the worker to view. John did give permission for this to happen and the worker was able to view a larger amount of information
Description: The American Foxhound stands 21 to 25 inches at the shoulder and weighs between 55 and 75 pounds. He has a large, strong, athletic body and a short, dense, shedding coat that is stiff to the touch and requires regular brushing with a hound glove. The coat color is black, white, and tan.
Based upon how the squirrels are used to changing environments, it might determine whether the squirrel
Squirrels, one of the natural rodents that we don’t seem to mind when we see them in the neighborhood compared to the hated skunks, bats, and rats. They are a part of the Sciuridae family, which includes prairie dogs, chipmunks, and marmots. Squirrels are an indigenous species to both North and South America, Africa, Europe, Asia, and more recently introduced to Australia. The earliest known proof of squirrels date from 56-33.9 million years ago. Although they are adorable and seem harmless in appearance, they are very destructive to trees and have the potential to destroy trees.
The windows in my room look out onto the bare and ugly roof of my school. A landscape of metal, scattered piles of decomposing leaves, and large unpleasant looking vents that make a low humming noise—adding to their unpleasantness. It’s not a pretty sight. But, every now and then I get a welcomed surprise from a grey squirrel, sifting through the wind-made clumps of leaves in search of sustenance. Its curiosity and careful intent are happy sights to observe. I sit and watch, through my the pans of my window, as it scampers to-and-fro, frantically; jumping at any sound, movement, or gust of wind, while I brush through my untamed hair.
The squirrel population in Pyongyang varies by species, but includes common rodents such as tree squirrels, ground squirrels, and chipmunks. The squirrels are rather tiny in size, usually spanning no more than 7 to ten centimeters in length. Their fur is typically soft in consistency, and the color varies from species to species.
The Fennec Fox, also known as the “desert fox”, is the national animal of Algeria. It is a small, nocturnal fox found in North Africa. Its huge ears are its most distinctive feature, that they use to dissipate heat. They have adapted to live in a desert environment. They weigh about 1.5–3.5lbs, with a length between 24–41 cm, is about 20.3cm tall and live up to about 14 years, also their ears are between 10-15 cm long. The Fennec Fox is an omnivore. They mainly eat plants, rodents, insects, birds, eggs, and rabbits. Also, their hearing is so good that they can hear their prey underground. The biggest predator to the Fennec Fox is African Eagle Owls. Sadly they are often captured and sold as pets.
Red fox is found in a wide kind of habitats, including forests, hills, desert, and farmland(Caroline Arnold,2013). A mixed landscape is the best habitat of red fox—consisted of patches of forests and other land-use types. The red foxes adopt to human environment, developing in areas with farms and woods, and populations can be found in a lot of big cities, suburbs, and other urban(The Editors of Encyclopaedia Britannica,2017). The red fox is mostly nightly, although it will sometimes go out in the day to find grey (YUAN,2017).Red fox unlike another animal, it can hear low-frequency sounds very clearly (YUAN,2017).So it can hear small mammals digging underground and catch them(YUAN,2017). The diets of red fox are complex, made up of mice, voles and rabbits. It also eats fruits, berries and grasses(YUAN,2017). In addition to breeding females, the fox doesn’t usually a den (YUAN,2017).It will sleep in the open land, wrapping its bushy tail around its nose to keep warm.(YUAN,2017) The red fox is a very smart animal and when it wants to make a den (YUAN,2017).It will usually find abdicated rabbit or marmot den instead of building its own den(YUAN,2017). In a word, we can see the red fox is a clever