Essay About Deer In Tamil

10 Deer Facts

Deer is a beautiful plus speedy animal, famous for its eyes. It belongs to a herbivore group of animals and lives in dark forests. They can be found in every region except Australia and Antarctica. Male deer are called stags, harts or bulls, female deer are called cows hinds or does and young deer are called fawns or calves.

1. Family

Deer belongs to the Cervidae family of mammals. Other members of family include Elk, reindeer, chital and roe etc.

2. Antlers

Deer are the only living animal on the earth that shed their antlers every years, one reason of this could be that growing speed of deer is much fast than any other living being. Antlers are the horns like thing on male deer specially.

3. Different between horns and antlers

Antlers are like horn but they are not horn! Horns do not shed and their surface is not velvety like antlers; horns are hard bony things and they do not grow up back if they are broken.

4. Listening ability

Listening ability of deer is far better than human. Deer can catch those frequencies that human can’t.  They can also turn their ears in any direction without turning their head.

5. Smelling ability

Deer also have extraordinary smelling ability. They can smell food from large distance. Deer use this ability to communicate with each other also and to detect the position of other group mates.

6. Seasonal activities

Deer are more active in summer and in winter as they do not get enough food so they get less active. In winter they eat only one third of the food they usually eat and stay in wood to escape from cold.

7. Life expectancy

Life expectancy of deer is about 20years. But every year their number is getting reduced due to cutting of forests and targeting deer on high level.

8. Dears can swim

It would be matter of interest for many people to know that deer also can swim even in deep waters.

9. Male deer

Male deer are very protective and defensive for their family. They would not let any outsider enter in their territory and can collide with other deer if they try to offend and harm his family members i.e. hind or fawns.

10. Changing of color

After summer and before winter, deer change their color and shed their antlers. This change usually takes place within one or two weeks.




More Facts

Members of the deer family (Cervidae) are cloven-hoofed ungulates that typically have compact torsos with long, slender legs and small tails — and most males have antlers. 

The family is quite large, and includes caribou, elk, moose, muntjacs and wapiti. Cervids are the second most diverse family after bovids (antelopes, bison, buffalo, goats, sheep, etc.). There are about 50 species, but there is some disagreement about cervid classification. According to the University of Michigan's Animal Diversity Web (ADW), no single well-supported phylogenetic and taxonomic history has been established. 

Size & description

Deer species range from very large to very small. The smallest deer is the Southern pudu, according to the ARKive project. It weighs only abbout 20 lbs. (9 kilograms) and gets to be only about 14 inches (36 centimeters) tall when fully grown. [Related: Oh, You Deer: Newborn Mini Fawn Is Seriously Cute]

The largest deer is the moose. It can grow up to 6.5 feet (2 meters) from hoof to shoulder and weigh around 1,800 lbs. (820 kg).

All deer species have antlers, except for the Chinese water deer. Only males have antlers, except for caribou (reindeer). Both male and female caribou have antlers. Antlers grow from boney supporting structures called pedicels, according to ADW. They are covered in "velvet," which is rich in nerves and blood vessels. When the antlers are fully grown, the velvet dies and the deer will rub it off against a tree or other vegetation. 

Habitat

Cervids are found all over the world, except Australia and Antarctica. While other continents have a wide array of deer, Africa only has one, the Barbary red deer, according to ADW. The Southern pudu is native to Chile and Argentina. The white-tailed deer is common to North and South America.

Deer are found in many different ecosystems. They live in wetlands, deciduous forests, grasslands, rain forests, arid scrublands and mountains. Sometimes, when human civilizations get too close to home, deer will even make themselves comfortable in urban settings.

Habits

Deer are very social and travel in groups called herds. The herd is often led by a dominant male, though with some species the herds are segregated by sex. Sometimes the females will have their own herd and the males will have a separate herd. In other cases, a female herd is watched over by a herd of males. Some caribou herds can have as many as 100,000 members, according to ADW. 

Most deer are active throughout the day, though their most active times are during sunrise and dusk. They spend their days foraging for food.

Diet

Deer are herbivores; they only eat vegetation. For the most part, a deer's diet consists of grass, small shrubs and leaves, though they will forage in trash bins and in gardens if they cannot find the vegetation they need elsewhere. 

Deer have one main stomach and three "false stomachs." Like cows, they chew their cud to fully digest their food.

Offspring

Though not common, some deer are monogamous, such as the European Roe deer. When a deer breeds depends on where it lives. Deer in temperate areas breed during late autumn or early winter. Deer that live in lower latitudes breed from late spring into early summer. Deer that live in tropical climates mate whenever they want, which could be several times per year. 

Deer carry their young for a gestation period of 180 to 240 days. For northern and southern white-tailed deer, gestation is around 193 to 205 days, according to Louisiana State University. Usually, the larger the deer, the longer the mother carries it in her womb. Deer usually only have one to three young at a time and these young are called fawns. Some of the large deer babies are also called calves.

Deer range in color from dark to very light brown, according to ADW, and fawns are born with white spots to help camouflage them from predators. Fawns are weaned at two to five months of age. Deer are unable to fully mature unless they reach a certain size, though how big they need to be varies depending on species. Overall, most deer live 11 to 12 years, though many die long before then due to predators or environmental dangers such as collisions with cars.

Classification/taxonomy 

Different sources count cervid species differently. ADW, a resource written by and for college students at the University of Michigan's Museum of Zoology, says there are 47 species. A standard reference work in zoology, "Mammal Species of the World, 3rd Edition," edited by Don E. Wilson and DeeAnn M. Reeder (Johns Hopkins Press, 2005), lists 51 species. The Integrated Taxonomic Information System (ITIS), a partnership of several U.S. federal agencies, also lists 51 species.

This is the taxonomy of deer, according to ITIS:

Kingdom: Animalia
Subkingdom: Bilateria
Infrakingdom: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclass: Tetrapoda
Class: Mammalia
Subclass: Theria
Infraclass: Eutheria
Order: Artiodactyla
Family: Cervidae

Subfamilies & genera

The three subfamilies and their genera and species are:

Capreolinae (brocket deer, caribou, deer, moose and relatives)

  • Alces alces (moose, Eurasian elk) – 2 subspecies
  • Alces americanus (moose) – 2 subspecies
  • Blastocerus dichotomus (marsh deer)
  • Capreolus capreolus (western roe deer, European roe) – 4 subspecies
  • Capreolus pygargus (Siberian roe, eastern roe deer) – 4 subspecies
  • Hippocamelus antisensis (North Andean huemul, Peruvian guemal, taruca)
  • Hippocamelus bisulcus (guemal, Chilean guemal, South Andean huemul)
  • Mazama americana (red brocket, South American red brocket) – 12 subspecies
  • Mazama bororo (São Paulo bororó)
  • Mazama bricenii (Mérida brocket)
  • Mazama chunyi (dwarf brocket)
  • Mazama gouazoubira (South American brown brocket) – 11 subspecies
  • Mazama nana
  • Mazama pandora (Yucatan brown brocket)
  • Mazama rufina (Ecuador red brocket, little red brocket)
  • Mazama temama (Central American red brocket) – 3 subspecies
  • Odocoileus hemionus (mule deer) – 10 subspecies
  • Odocoileus virginianus (white-tailed deer) – 38 subspecies
  • Ozotoceros bezoarticus (Pampas deer) – 5 subspecies
  • Pudu mephistophiles (northern pudu)
  • Pudu puda (southern pudu)
  • Rangifer tarandus (reindeer, caribou) – 14 subspecies

Cervinae (elk, muntjacs and tufted deer)

  • Axis axis (axis deer, chital)
  • Axis calamianensis (Calamian deer)
  • Axis kuhlii (Bawean deer)
  • Axis porcinus (hog deer)
  • Cervus elaphus (elk, wapiti, red deer) – 18 subspecies
  • Cervus nippon (Sika deer) – 16 subspecies
  • Dama dama (fallow deer) – 2 subspecies
  • Elaphodus cephalophus (tufted deer) – 4 subspecies
  • Elaphurus davidianus (Père David's deer)
  • Muntiacus atherodes (Bornean yellow muntjac)
  • Muntiacus crinifrons (black muntjac)
  • Muntiacus feae (Fea's muntjac)
  • Muntiacus gongshanensis (Gongshan muntjac)
  • Muntiacus muntjak (red muntjac, Indian muntjac) – 11 subspecies
  • Muntiacus puhoatensis (Puhoat muntjac)
  • Muntiacus putaoensis (leaf deer)
  • Muntiacus reevesi (Reeves's muntjac) – 3 subspecies
  • Muntiacus rooseveltorum (Roosevelt muntjac)
  • Muntiacus truongsonensis (Annamite muntjac)
  • Muntiacus vuquangensis (large-antlered muntjac)
  • Przewalskium albirostris (white-lipped deer)
  • Rucervus duvaucelii (barasingha) – 3 subspecies
  • Rucervus eldii (Eld's deer) – 3 subspecies
  • Rucervus schomburgki (Schomburgk's deer)
  • Rusa alfredi (Visayan spotted deer)
  • Rusa marianna (Philippine deer) – 4 subspecies
  • Rusa timorensis (Javan deer, Timor deer) – 7 subspecies
  • Rusa unicolor (sambar) – 7 subspecies

Hydropotinae

  • Hydropotes inermis (Chinese water deer) – 2 subspecies

Conservation status

According to the International Union for Conservation of Nature (IUCN), many deer species are currently endangered. The IUCN's Red List of Threatened Species includes the Calamian deer, Bawean deer, Anhui musk deer, hog deer and the Persian fallow deer. The Père David's deer is extinct in the wild and now can only be found in captive populations, according to the IUCN.

Other facts

The Chinese water deer is the only species that doesn't shed its antlers, because it doesn't have any. Instead, it has very long canine teeth that it uses to attract mates.

Musk deer are sometimes included in Cervidae but are considered a separate family (Moschidae) with one genus and four species, including the rare and endangered Kashmir musk deer. They are found in central and northeastern Asia, according to ADW. They differ from true deer in that they don't have antlers; instead they have vampire-like fangs. The males grow long fangs that look like they belong on the Halloween spook. They use them to compete for females during mating season. It is sold for $20,455 per pound ($45,000 per kilogram) on the black market, according to the IUCN.

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