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                Campbell's Dwarf Hamster

                Campbell's Dwarf Hamster

                Striped hairy-footed hamster, Djungarian hamster, Siberian hamster, Campbell's hamster

                Kingdom
                Phylum
                Subphylum
                Class
                Order
                Family
                Genus
                SPECIES
                Phodopus campbelli
                Population size
                Unknown
                Life Span
                2-2.5 yrs
                TOP SPEED
                6.5 km/h
                WEIGHT
                23.4 g
                LENGTH
                80--103 mm

                The Campbell’s dwarf hamster is native to Eastern and Central Asia. The species is named after W.C. Campbell, who discovered this animal in Mongolia in 1902. Endemic to Djungaria region of Mongolia, these animals are sometimes called 'Djungarian hamsters', but they differ from this closely related species by the lack of dark fur on their crown as well as smaller ears. These hamsters have been bred as laboratory animals in the UK since 1968. In 1980s, they gain popularity in the pet market. On its dorsum, this animal exhibits a band, very similar to that of the Djungarian hamster. The fur on the stomach is grey.

                Video

                Distribution

                These animals are distributed throughout central Asia, the Altai Mountains, autonomous region of Tuva as well as the Hebei province in northeastern China. Preferred habitat of the Campbell's dwarf hamster is steppes and semi-deserts. The animal usually lives in burrows, having 4 - 6 horizontal and vertical tunnels.

                Geography

                Climate zones

                Habits and Lifestyle

                The Campbell’s hamsters are usually solitary in the wild, whereas individuals in captivity often don't mind the presence of other species in their territory. As nocturnal animals, they forage at night and are able to travel up to one mile when looking for food. Due to expendable pouches on their cheeks that can comprise large amounts of materials, they are able to store food or bedding while foraging at night. Carrying the food in their cheeks, they subsequently store it at their burrows. Their burrows are up to 3 meters deep, underground excavations. Each burrow has several exits and entrances and consists of comfortable chambers. They usually line the walls of these chambers with scavenged sheep wool and dry grass for greater comfort. When threatened, these animals quickly enter one of the entrances to the burrows and thus escaping a predator. When moving quickly, they usually run with short steps. When fleeing from a predator, they move quickly and abruptly.

                Group name

                Diet and Nutrition

                The Campbell’s hamsters are herbivores (folivores and granivores), they generally feed upon seeds, nuts and vegetation, complementing this diet with small invertebrates and insects. They are also known to consume corn, oats, sunflower, peanuts, dried fruits, dehydrated vegetables, alfalfa, minerals and salts.

                Mating Habits

                MATING BEHAVIOR
                REPRODUCTION SEASON
                starts in April in Tuva and in May in Transbaikalia regions of Mongolia, they usually breed until September - early October
                PREGNANCY DURATION
                13-20 days
                BABY CARRYING
                7-9 pups
                INDEPENDENT AGE
                17 days
                FEMALE NAME
                doe
                MALE NAME
                buck
                BABY NAME
                pup

                Campbell’s hamsters are polygynandrous (promiscuous), which means that both males and females have multiple mates. Various populations of this species breed at different periods of the year, depending on location. Thus, the breeding season starts in April for population in Tuva, and in May - for that in Transbaikalia regions of Mongolia. They usually breed until September - early October. Campbell’s hamsters in the wild usually yield 3 - 4 litters of 7 young on average per year. Meanwhile, those in captivity may produce from a single to 18 litters of 1 - 9 young per year. Gestation period for those in captivity lasts 18 - 20 days. To the date, the shortest recorded gestation period of a Campbell’s hamster in captivity was 13 days. Newborn babies of this species are helpless and lack hair. They young cared by their parents until 17 days old, after which they are weaned. Males become mature at 23 days of age, while females become gain reproductive maturity at 48 days of age.

                Population

                Population threats

                Although the Campbell’s hamsters are quite common and widespread throughout their range, there are some minor threats to certain populations of this species. Thus, those in arid habitat may suffer from lack of enough water resources. On the other hand, those inhabiting steppes of central Asia are threatened by increasing numbers of livestock that may destruct their burrows.

                Population number

                According to IUCN, the Campbell’s hamster is common and widely distributed but no overall population estimate is available. Currently, this species is classified as Least Concern (LC) and its number remain stable.

                Ecological niche

                On one hand, Campbell’s hamsters serve as seed dispersers, thus helping a number of plants survive. On the other hand, they are a key prey species for Corsac foxes.

                Fun Facts for Kids

                • The word 'hamster' originates from 'hamstern' - a German word, meaning "to hoard". These animals are so called due to their hoarding habit: even those in captivity store food, although they don't need to.
                • When a female hamster is pregnant, the sex of future offspring can be determined by controlling maintaining certain temperature in the room that will bring either male or female offspring. Usually, warmer temperatures bring males, whereas cooler temperatures yield females.
                • Males of this species help their mates during the birth by pulling the young from the birth canal, cleaning them and later foraging to provide the females and the young with food.
                • These animals are able to remember their relatives.
                • Hamsters can also learn their names.
                • If a hamster prefers chewing on his cage bars to chew sticks, give it some hard and tasty dog biscuits. The animal will definitely go over chewing these biscuits that will help it wear down its teeth.

                References

                1. Campbell's Dwarf Hamster Wikipedia article - https://en.wikipedia.org/wiki/Campbell%27s_dwarf_hamster
                2. Campbell's Dwarf Hamster on The IUCN Red List site - http://www.iucnredlist.org/details/17035/0

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