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Grizzly bear report for lesley mouradian


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This report is on the Grizzly bear that I wrote for my friend Lesley.

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Grizzly bear report for lesley mouradian

  1. 1. Customer: Bronx zoo StaffAnimal: Grizzly bearReport by: Felicia FerentinosGrizzly Bear ReportThe grizzly bear is an omnivore which means they will eatplants and other animals. Grizzly bears will eat anything thatcan fell up their bodies. Usually grizzly bears will eat small stufflike they will eat berries, grasses, roots, bulbs, tubers and biginsects. The Grizzly bear will need to eat at lot of food duringthe summer and the fall. A grizzly bear needs to eat about 80 to90 pounds (36 to 40kg) of food every day so that they can beprepared for the winter and for hibernation. Flowers and plantsmake up 75 percent of the bears diet. Bears need to get fat sothat it can help the bear to get through the winter. Bears oftenfish for salmon and sometimes trout. A bear can eat up totwelve or more bigger fish in a afternoon. Sometimes bears willeat food that has been washed up on the beach. The wastedup food that bears eat are seaweed, crabs and maybe deadfish. When the bears are away from the water they usually huntlarge mammals like moose, deer, elk and caribou these are thelargest mammals that the grizzly bear that get hunt down forfood. Bears can also eat carrion. A Grizzly bear will eat a wholevariety of food like they will eat fruit, berries, bulbs, tubers andnuts they can also eat insects and grubs. They can sometimeseat honey, fish, rodents and lizards. They can also eat nuts to.The plants that bears eat are roots, sprouts and fungi. Bearsusually eat small mammals and insects it depends what time ofthe year and the location that it is in. The grizzly bear can alsoeat a mountain goat sometimes they will even kill a black bear.Grizzly bears favorite food is salmon and they can be seen withother grizzlies around in the same area where the salmon isspawn. The grizzly bear does not just eat the same fish they willalso eat trout and bass to. The grizzly bear can grow muchbigger then there herbivorous cousins are. Some people thinkthat bears only eat meat but that is not true because they eat
  2. 2. plants and other animals this means they are an omnivore. Thebears diet depends on what type of food does it want.Sometimes they will graze on grass, fruit, berries and nuts.Sometimes they can dig up plant roots that they usually findwith bees and honey in a beehive. Grizzly bears are amazinghunters when they are searching for insects they can turn overrocks and logs to get them. The small mammals that they eatare mice and squirrels. The grizzlies that live near water theyoften eat fish. Bears can also take down a bison. They caneven eat on dead animals to. They usually fresh on decayingflesh of carrion. When the grizzly bear thinks of food they alwaysthink of their favorite fish salmon. The bears that live in Alaskaand Russia they will flock to the rivers that is being used by thesalmon swimming they do this to push the salmon to thesurface of the water. They do this in every summer and in thefall this is the time when they get ready for hibernation. Theyfell up their bellies to prepare them for the long deep sleep.They will start to get ready for hibernation during the fall. It hasto stock up to 4 to 7 months when they live off the stored bodyfat. A grizzly bear will eat 90 pounds (40 kilograms) of foodevery day. The grizzly’s diet chances when the seasons chance.Like in the spring a grizzly can eat about 25 to 35 pounds (11 to1b kilograms) of food every day during the spring. When it issummer or the fall comes this is when they start to get preparedfor the winter. A grizzly may eat about 100 pounds (45kilograms) of food every day. They may gain up to 400 pounds(181kilograms). Sometimes a grizzly will stand close to a riverbank then they will flip the salmon out of the water then the fishwill go on the dry land by using their paws. Sometimes thegrizzly will wait and sit really quietly on a rock that is near deepwater. When they sit on a rock then they will wait for the salmonto swim past them. Then the bear will dive in then they will pinthe fish to the river bed. These are some of the tracks that bearsuse to catch a fish. The ranges that the grizzly bear lives on areNorth America, Europe and in Asia. The brown bears that liveon North America they live on Alaska, Idaho, Montana,Washington and in Wyoming. There are about 40,000 bears that
  3. 3. are living on Alaska. Grizzly bears also live in Canada. Thelocations that the grizzly bear lives on are Alberta, BritishColumbia. The bears that live in the North West places they liveon Yukon. They have also been seen on Chihuahua which islocated in Mexico. The live on the north west of North America.They can also live on the north of Asia and in Europe. They canbe found on the Atlas Mountains of northwest Africa and theycan also live in the Middle East to. The brown bears habitats arein temperate and coniferous forest. They can also be found onthe open fields. They can live on the mountain highlands and intundra. There are 1,000 bears that live on Montana. There are300 bears that live in Wyoming and there are less bears that livein Washington and in Idaho there are about 50 bears that liveon these places. There are about 25,000 brown bears that livein Canada, The habitats that bears live on are mountain areasand on forests. They can also be found near a river valley andon meadows. They also live on Prairies to. There are also 600and 800 bears that are living in Montana, Washington,Wyoming and on Idaho. There are also 40,000 and 50,000 bearsthat live up in the mountain, in forests and in Prairies that arelocated on Alaska and in Canada. Brown bears also live in theNorthern Hemisphere. They can also be found on some islandsof Kodiak. The big brown bears live in cold mountain forestsand on river valleys. They can also be found on California, Ohioand on the Great Plains. But grizzly bears do not live inCalifornia anymore. They do live in the Western of the UnitedStates and on Southern Alaska. Their habitats are also Diverseand on grasslands. They can also be found on West Canada.They can even live on tundra. There are about 800 and 900grizzlies that are living on Rocky Mountains and they also live inColorado. A brown bear can grow about 9 feet (2.7m) long 425pounds (192.8kg). The average weight of a brown bear is 700pounds (318 kilograms); the average weight of a female is 350pounds (159 kilograms). Grizzly bears can grow about 7 feet(2.1m) long and they can weight about 1,500 pounds (680kg).Lots of Grizzly bears can weigh about 350 through 700 pounds(158 to 317 kg). Some Grizzles can grow about 7 to 10 feet (2.1
  4. 4. to 3.1m) this is the size when they are standing up. A malegrizzly bear are 40 percent bigger then the females. A length ofa grizzly bear is 6 to 8 feet (1.8 to 2.4 meters) long. Their height is3 to 5 feet (.9 to 1.5 meters) to the shoulders. They cansometimes grow about 6 to 10 feet (1.8 to 3 meters). This is howbig they are when they are standing up. A male grizzly bear willweigh about 350 and 700 pounds (159 and 318 kilograms). Theweight of the female is 250 and 350 pounds (113 to 159kilograms). The height of a grizzly bear is 3 to 3 ½ feet at theshoulders. Their length is 6 to 7 feet. An adult male grizzly canweight about 300 to 850lbs and the weight of the females is 200and 450lbs. The body length of a grizzly bear is 6 to 9.8 feet (1.8to 3 meters). The height of their shoulders is 3 to 4 feet (0.9 to 1.2meters) to the shoulder. A male grizzly bear can also weightabout 330 to 1.500 pounds. (150 to 680 kilograms). The femalecan weight about 215 to 660 pounds (97 to 300 kilograms). Abrown bears normal size is 5 to 8ft (1.5 to 2.5m). Their weight is800lbs (363kg). When the male brown bear is standing on itshigh legs its height can be as tall as 3 meters tall. The brownbear can also grow about 6-7 feet long. 3-3 ½ feet long high tothe shoulders. 300- 1,720 pounds. The average height of anadult grizzly bear is 3 to 5 feet (90 to 150 centimeters) widewhen the bear is on all four legs. When they are standing theycan measure to 6 to 10 feet (180 to 300 centimeters tall. Anadult grizzly bear can weigh 600 pounds (270 kilograms). Somegrizzly bears can weight about 1,400 pounds when the bear isstanding on its high legs it can reach about seven feet (twometers) long. The brown bears front claws can grow for 4, 75inches (12 cm) that this is as big as rear claws. A grizzly bearcan live for 25 years in the wild. When it is in a zoo it can liveabout 40 years. The grizzly bear can live for 20 to 25 years. Thegrizzly bear can live for 16 to 18 years as well. The average lifespan for a grizzly bear is 25 years. When the summer is over thenthe grizzly bears become very fat. They will also drink a lot ofwater. When it is the time for hibernation this is when the bearmoves into a cave or a hollow log so that they can move in.this is called a den. The bear must always have a den during
  5. 5. the winter because so that they can be safe from the coldweather. When winter comes then the bear goes into a longdeep sleep. They will continue to sleep until spring comes thenthe bear will start to wake up. When spring comes they will startto yawn, stretch and limp out of their dens. When they wake upthey will weigh a half as mush as they were in the fall. Femaleswill start to give birth when spring is here. The bears will behungry when they wake up and they will need a lot of water.So this means that they will go back to hunting for food. Thegrizzly bear’s will start to lose weigh for a few months untilsummer comes back and food is once again plentiful. Thebrown bears can even weigh right before hibernation thenthey do when they are done with their winter sleep. Grizzlybears can hibernate when the weather is cold. During this timethey will start to look for a den to live in. Some bears can usuallychoose their own den. Some other bears usually dig a den thatcan be under trees or in hillsides. That is in the cold climates.Grizzly bears will start to hibernate in October to April orsometimes in May. When the bear is in hibernation then it willnot eat or drink during this time. During hibernation time thegrizzly bear will may build up 6 to 10 inches (5 to 25 centimeters)of fat that is under their hides. In hibernation the grizzly bearsbody temperature will start to drop down to 10 degreesFahrenheit (5 degrees Celsius). The bears heart rate can alsodrop down to 40 beats a minute to 8 beats in a minute. Thebrown bear has a very big hump of muscle that is located onthe top of their shoulders and on the claws that happen to bevery big. Their long claws are helpful for digging. These clawsmake the bears very powerful diggers. They usually dig up largecozy dens to make good homes when winter comes. The bearswill begin in this sleep for 4 to 6 months in a year. That can takethe bear’s one-third and one-half of their lifetime. This longsleep is called hibernation but this is a real different hibernationfor the brown bears because their body temperature does notdrop drastically. Any way their heart rate will start to slow downto 70 beats in per minute in only 10 beats in per minute. Thebear’s metabolism will start to go down very slow so now during
  6. 6. this time they can not urinate or defecate in all winter long.Hibernation will allow the bears to stay alive for a very long timewhen there is less or even no food that are available for them.The bears that are usually found on warmer areas they spendless of their time curling inside their dens than the species Thatlive in very long winter areas. Before grizzly bears go into a falsehibernation they would have to gain hundred kilograms of fat.Grizzly bears will start to hibernate when winter comes. Theyusually hibernate for 5 or 8 months. They can dig dens that areon north -facing slopes tonsure the good snow cover. A brownbear can live about 47 years in a zoo. Brown bears can also eatabout 35 pounds of food in one day. Brown bears can storetheir carrion that they sometimes find and they can cover itwith grass or moss. Moss is a kind of chemical that can kill afungi and bacteria and will act as preservative for the meatthat the bears sometimes eat. The male grizzly bear is called aboar and the females are called sows. Bears are very smallanimals they can learn things really fast. They are very curiousand they have very good memory. Some people think that it isa myth but it is not because people say that grizzly bears donot have good senses of sight because they have small eyes.But bears really do have very good eyesight because they cantell the difference between colors of objects. Their eyes canreally help them when it gets dark out. They can see movingobjects and they can see things that can be seen far away.They can stand on their high legs to see things that are fartheraway. Bears can both see and hear very well. Bears can standon their high legs they do not do this as a threat they do thisbecause they are curious and they are trying to a get a goodview of their surroundings. The most important sense for a bearis their sense of smell. Their smell can allow them to look for amate, to avoid humans and to find their cubs. They can alsouse their sense of smell to gather food. Experiments haveproven that bears can smell over three miles away when theyare looking for food. Bears are also known to detect a humansent that was 14 hours after a person that has been passed onthe trail. When the other animals are still in hibernation. Grizzly
  7. 7. bears usually wake up easily when they are disturbed. They arevery light sleepers. Grizzly bears can run really fast they can runabout 35 miles per hour. A grizzly bear can challenge a pack ofhungry wolves for the animal that the wolves just killed. It is likeplaying a game of cat and mouse. Wolves can attempt a beltand they will thwart a much bigger predator. Grizzly bears donot like when their ears get wet. Grizzly bears are solitaryanimals which mean that they live alone and they do not live ina family or in a group. Grizzlies always try to stay away fromeach other. Sometimes when they see another bear they willgrowl and try to scar the other bear away. Grizzly bears willsometimes try to avoid humans. Their hearing, eyesight andtheir sense of smell are so amazing that they use their powerfuland strong senses to stay away from humans. Humans andgrizzly bears sometimes do meet by accident. A hungry bearcan sometimes enter into a camp site to look for food. Theycan open boxes; they can also knock down a tent over. Theymay sometimes crush cans and packages when they arelooking for food. Campers should never let a grizzly bear findtheir food because the grizzly bear will come back to the campsite to look for more food. Then grizzlies maybe killed from thefood that they ate. When a female bear attacks a camper itmight mean think that it could be a threat for her cubs. Evencampers that work in parks and in reserves are easily killed orhunt by grizzly bear. Scientists do believe that grizzly bears cansee much better then humans do. Scientists also believe thatthey can see forms, movements and colors. Grizzly bears cansee really will when it is night time. The sense that bears haveare their smell is really good. They can smell carrion in 1 mile (1.6kilometers) away. Their hearing is also amazing because theycan hear soft sounds like a twig snapping that can be heardover 200 yards (183 meters) away. This can help them to know ifprey is somewhere nearby. Scientists believe that bears canhear sounds that people cant hear these sounds can be high-pitched sounds. Humans cant hear these sounds. A femalegrizzly bear will not be ready to mate until she is 5 years old.Grizzly bears will start to mate in June or in July. The female will
  8. 8. start to give birth in the early next year then the mother will startto make a den. A female grizzly will give birth to only one or twolittle cubs. Some females can also have 3 or even 4 cubs at atime. A grizzly bear will weigh about 10 ounces (280 grams) apound and they can weigh about (450) a pound. When it is thetime for the cubs to come out of their mothers womb. Themoment that they are out of their mother then the cub’s eyeswill be closed and they will be helpless the moment that theyare born. They kind a look like that they are naked. But they arenot naked they are just wearing a coat to keep them warm.This coat has very fine hair. The cubs will not be ready to leavetheir den until they have thick coats of fur and their eyes haveto open. The mothers milk is really rich and fat so that the cubscan grow faster. The cubs will only stay with their mother for 2 or3 years. A female grizzly usually has their cubs in every 3 yearsthey will not give birth in 3 years when they are in places thathave a climate that was especially harsh. Grizzly cubs are so fullof energy. They love to play and have fun. The stuff that theyenjoy doing is sliding down snow banks and rough-housing withtheir bothers and sisters. The cubs can also push and rollaround. They can also fight with each other by biting the othercubs neck. These things can teach them how to fight and toteach them their hunting skills for them to help with their survivewhen they turn into adults. If a female only has one cub thenthe mother will play with her cub more often. A female will bepregnant for 8 months. Cubs are usually born during Januaryand in February when the mother is resting in her den. Grizzlybear cubs can be very small and they can weigh about 8.5and 11.5 ounces (240 to 330 kg). They can be blind, bald andthey can be helpless the moment that they are born. Whenthey reach 5 weeks old they will start to learn how to walk. Thegrizzlies’ gestation period is 6 to 8 months this also includes a 5month delayed implantation period. A mother grizzly bear canhave 1 or 4 cubs but they usually have 2 cubs. A newborngrizzly cub is 16 to 25 ounces (424 to 709 grams). The weigh of anewborn grizzly bear is 1 pound (0.45kg). They are like the samesize of a rat. The grizzly bear can mate in the early may or in
  9. 9. between mid-July. The gestation period is also 180 to 270 daysthis also includes delayed implantation. A newborn cub can beproduced through a loud continuous humming this sound canhappen when the cub is nursing. This can help the stimulatefrom their mothers milk production. This sound can be so loudthat it can be heard outside of the den. When spring comesthen the cubs will be ready to leave the den and explore theoutside world. The first spring can be very hard for a grizzly bearcub because they could get killed by eagles, bobcats andmountain lions. Bear cubs can weigh about 55 to 65 pounds (25to 30 kg). Grizzly cubs will spend a lot of time with their motheronly for two winters in the den with her cubs. Cubs have lots ofpredators that can kill a cub like a pack of wolves, a adultmale bear and even their own father can even kill them. Theyare also in danger when they are separated from their mother.The females are totally protective when it comes to their cubs.The mother does not wake up when her blind and hairless cubare born in a mid-winter. A size of a newborn cub is like a size ofa chipmunk. They can be strong enough to crawl into aposition that it wants to settle so that it can nurse. Grizzly bearsshare their land with elk, moose, cougars, grey wolves, blackbears, coyotes and the Dall’s sheep. Female grizzly bears willusually give birth during hibernation when it is January or inFebruary. The newborn can usually weigh a pound. They willremain in the den until spring comes. When they reach 20pounds that is how long that they can remain in the den. Theywill stay with their mother in less then two years or even more.Grizzly bears usually live by themselves unless they are matingwhich can take place in June or in July. By the time January orMarch then females will start to give birth as many as four cubs.The mother will teach them how to hunt and how to take careof themselves. The mother’s, main job is to protect her cubsfrom predators like wolves and cougars. Mothers can beextremely wary with other animal’s Grizzly bear mothers willkeep her cubs in a quiet place until the cubs are old enough totake care of themselves. Grizzly bear cubs can usually generallyventure away from their mother so that they can start their lives
  10. 10. on their own. The mother grizzly bear can be extremelyprotective with their offspring she will attack any animal thatshe thinks that it can be a threat to her cubs. When the motheris sleeping then the cubs will nestle up against her so that theycan stay warm and to get milk. When spring comes then thecubs will be able to follow their mother outside of their den.When a female wakes up from hibernation it often means thatshe had found her new cubs that were born when she wassleeping. Most often grizzlies have cubs that can be twins. Inthree months the cubs can be extremely helpless when theyare born. They will survive the first years of their lives nursinginside the den. The cubs will be ready to leave the den whenspring comes. The cubs will stay with their mother for sevenmonths. They will not stop nursing until fall comes. Some cubscan nurse through the next winter. They will learn how to surviveon their own when the first year of spring and summer comes.When they reach this part of their life’s this is when they aredoing their school time. The mother will teach her young herterritory and how to hunt. They will also learn what type ofanimals to be scared of and the animals that they should eat.They will learn more then how to hunt. The cubs will spend a lotof time running, playing and to learn how to climb a tree. Thecubs will stay with their mother until they reach 3 years old.When that time comes then the cubs will start to survive on theirown. Some cubs will stay with their mother for two years beforethey are separate it from each other. When they are not livingwith their mother any more then the cubs will start to find theirown territory and they will be able to start their life as adults.Grizzly bears will start to mate when they are 7 years old. Thefemale grizzly bear will be pregnant for 180 to 266 days. Brownbears were once lived in the northern Hemisphere becausepeople have killed them to make meat and for medicinal usesand without fear. Their habitats are beginning to shrinkconsiderably. Some people believe that the bear’s organs canbe a cure for sicknesses. People are also saling the bear’sgallbladder. They are being high prized in the markets that arein Asia and they can also fetch high priced. The government in
  11. 11. Alaska used to kill the brown bear for ranchers. The governmentin Alaska will kill the brown bear because they were killinglivestock. The species of the brown bear is not currentlyendangered but they are being threatened but if the humanpopulation keeps on growing then their will be no space for thewild grizzly bears. Grizzly bears are very powerful animals noanimal will never get the chance to take down a grizzly bear.Some predators might kill a brown bear cub like wolves will kill acub. But the grizzlies’ worst enemy is humans because they aredestroying their homes this is called loss of habitats. In the yearof 1800’s settlers that moved in the west that was in bignumbers. Lots of people have killed the grizzly bear because sothat they can protect the of 1800’s settlers that moved in thewest that was in big numbers. People are cutting their homes sothat they can make more room for towns and there is farmland where the gizzly bear’s live in. This is causing the bear toloss its habitat and it is really hard for the grizzly bear to look forfood. Lots of people have killed the grizzly bear because sothat they cab protect their livestock. Sometimes people hadmistaken the grizzly bear for a black bear. People have killedthem because people have feared them. Some people kill thegrizzly bear for sport this means for fun. People called the brownbear a grizzly bear because of its tips of hair but must of themhave grayish or grizzled hair that is why people call the brownbear a grizzly bear. Today it is against the law for anyone to killa grizzly bear but it is not illegal to kill a black bear. Scientist arebeginning to worry about the number of the grizzly bears in thewild. Right now Grizzly bears are starting to breed vey slowlynow. A female may have to give birth to only three or fouryears. Predators are killing 40 percent of grizzly bear cubs.Grizzly bears are dying out fast right before they can replacethemselves but there are people around the world that areworking on protecting the grizzly bear. Seven nationalorganizations are teaching people about grizzly bears. Thesepeople tell other people about the dangers that the grizzlybear faces. These people will also help people how to avoidbear attacks with these efforts these bears sure to continue on
  12. 12. their survive in the world. People have been challenged to findgood space with grizzly bears. People also help by visitingAlaska by seeing a brown bear the in wild. That is what I knowabout grizzly bears.