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                Water Deer

                Water Deer

                Chinese water deer, Asian water deer, Korean water deer

                Kingdom
                Phylum
                Subphylum
                Class
                Order
                Suborder
                Family
                Subfamily
                Genus
                SPECIES
                Hydropotes inermis
                Population size
                Unknown
                Life Span
                12 yrs
                WEIGHT
                9-14 kg
                HEIGHT
                45-55 cm
                LENGTH
                75-100 cm

                This unusual small deer has a scientific name that means ‘unarmed water-drinker’, in reference to its lack of antlers and preference for marshy habitats. In the place of antlers, males have large upper canine teeth, that, in effect, are long, slightly curved tusks which protrude like fangs out of their mouths. The female is a little smaller than the male, and has much smaller canines. The Water deer's coat is rather coarse and thick, the color being reddish-brown during summer and more grayish during winter months, with whitish underparts. The young are darker brown and have white stripes and spots on the upper back.

                Distribution

                Water deer occur in east-central China in the lower Yangtze Basin and in Korea. There are also small introduced populations in Great Britain and United States They inhabit areas with tall reeds, rushes along rivers, mountain areas and cultivated fields in tall grass. They also occur in open grasslands and swampy areas.

                Geography

                Continents
                Subcontinents
                Introduced Countries

                Climate zones

                Habits and Lifestyle

                Water deer tend not to congregate in herds and are generally found in pairs or alone. A male will not tolerate another buck in close proximity and will defend its territory against all rivals. They will tolerate the company of a few females, which may accompany the male to seek food and rest within his territory. Water deer are most active during mornings and evenings, and during the day usually hide within dense vegetation. When disturbed, they will run with a characteristic series of leaps like a rabbit. Despite not being gregarious, these deer will alert each other to danger with brief shrill barking. The does make a soft peeping to call their fawns, and an injured deer makes a screaming wail.

                Group name

                Diet and Nutrition

                Water deer eat coarse grasses, reeds, vegetables, beets and other vegetation.

                Mating Habits

                MATING BEHAVIOR
                REPRODUCTION SEASON
                November-January
                PREGNANCY DURATION
                170-210 days
                BABY CARRYING
                1-3 fawns
                INDEPENDENT AGE
                2 months
                FEMALE NAME
                doe
                MALE NAME
                buck, stag
                BABY NAME
                fawn

                Water deer have a polygynous mating system; a male mate with many females inside his own territory. The mating season is from November to January, with most births from May to July, following a gestation period of 170 to 210 days. Unusual amongst deer, females may bear up to 8 young, 1 to 3 being more common. After the birth, a female will often leave her normal range to becoming solitary. Fawns spend most of their first few weeks hidden in vegetation, coming out only when their mother visits to feed them. Fawns are weaned when they are about two months old. Males are usually sexually mature at five to six months of age, and females when they are seven to eight months old.

                Population

                Population threats

                In their native habitat, Water deer are in serious decline due to habitat destruction and poaching. In some areas they are hunted, being considered an agricultural pest, and they are also hunted for their meat and for the use of semi-digested milk from the stomachs of unweaned fawns in traditional medicine. These animals are very sensitive to environmental change, and urban development and agriculture are important threats to its habitat. Much of their original range having been lost, the distribution of Water deer is continuing to decrease, and many populations are now quite small and fragmented.

                Population number

                According to the IUCN Red List, Water deer in Republic of Korea is said to be ?moderately widespread?, particularly along the west coast, as well as within the demilitarized zone between the two Koreas, but its population cannot be estimated. Specific populations have been estimated within China: 500-1,1000 deer in the coastal areas of Jiangsu; 1,500 deer in the Zhoushan Islands; around 1,000 deer in the Poyong Lake region, and an additional 500 individuals in Anhui. The British water deer population is about 1000 individuals. The IUCN Red List reports the decreasing trend for Water deer population and they are classified as vulnerable on the list on threatened species.

                Fun Facts for Kids

                • The Chinese water deer is able to swim for several kilometers, often moving back and forth between small islands in the search for cover and food.
                • Water deer are territorial, so bucks regularly rub their foreheads on tree trunks to mark their territories.
                • Water deer fawns are capable of standing up within an hour after birth and can hide themselves very well.
                • This deer is the only one of its species that doesn't have any antlers. Instead, its long canine teeth are used to attract mates.
                • A deer has one main stomach as well as three "false stomachs." They chew their cud, as cows do, to fully digest their food.
                • A deer's eyes are on the sides of its head, enabling a 310 degree view. Such a wide view makes it hard to focus on one point. These animals have good night vision, being useful during early mornings and near dusk.
                • Deer can hear very well. They have many muscles near their ears which enable them to move their ears in every direction, while keeping their heads still. They also can hear higher sound frequencies than humans.
                • Deer have a wonderful sense of smell and can detect predators from far away. They lick their noses to keep them moist, which assists odor particles to stick to them, enhancing their sense of smell.

                References

                1. Water Deer Wikipedia article - https://en.wikipedia.org/wiki/Water_deer
                2. Water Deer on The IUCN Red List site - http://www.iucnredlist.org/details/10329/0

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