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The European hamster (Cricetus cricetus), also known as the Eurasian hamster, [3] black-bellied hamster [4] or common hamster, [5] [6] [1] is the only species of hamster in the genus Cricetus. [2] It is native to grassland and similar habitats in a large part of Eurasia, extending from Belgium to the Altai Mountains and Yenisey River in Russia ...
Urocricetus kamensis - Kam dwarf hamster, native to the Chinese provinces of Gansu and Qinghai and the autonomous regions of Tibet and Xinjiang The species Cricetulus lama and Cricetulus tibetanus are recognized as valid by the IUCN [ 3 ] [ 4 ] but considered a synonym of Urocricetus kamensis by the American Society of Mammalogists . [ 5 ]
[5] [6] The females of some species of hamster are known to hide their young in their cheek pouches to carry them away when they fear danger. [7] Other species of hamsters are known to fill their pouches with air, allowing them to float better while they swim. [7] [8] Cheek pouch prolapse in an anesthetized Russian hamster (Phodopus sp.)
The species of genus Phodopus are the smallest, with bodies 5.5 to 10.5 cm (2.2 to 4.1 in) long; the largest is the European hamster (Cricetus cricetus), measuring up to 34 cm (13 in) long, not including a short tail of up to 6 cm (2.4 in).
They tend to be more ratlike in appearance than typical hamsters, hence the common name ratlike hamster. Many of the species are considered dwarf hamsters . However, members of the genera Allocricetulus , Tscherskia , and Cansumys are often called ratlike hamsters , and so are considered to be members of the genus Cricetulus by many authorities.
The Cricetidae are a family of rodents in the large and complex superfamily Muroidea.It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice.At over 870 species, it is either the largest or second-largest family of mammals, and has members throughout the Americas, Europe and Asia.
In 1832, Jonathan the Seychelles giant tortoise (Aldabrachelys gigantea hololissa) was born. Although his exact birthdate is unknown, he has been given the official birthday of December 4, 1832.
Mesocricetus is a genus of Old World hamsters, including the Syrian or golden hamster, the first hamster to be introduced as a domestic pet, and still the most popular species of hamster for that purpose. Recent research has shown that, unlike almost all other land mammals studied, all species of this genus lack the capacity for color vision. [2]