The Turkish hamster (Mesocricetus brandti), also referred to as Brandt’s hamster, Azerbaijani hamster, or avurtlak, is a species of hamster native to Turkey, Armenia and other surrounding nations. The Turkish hamster, first catalogued in 1878, is a fairly close relative of the Syrian or golden hamster, though far less is known about it, and it is rarely kept as a pet (some sources state the hamster is not kept widely as a pet while others simply say it cannot be kept as a pet due to its aggressive nature.)The population of the Turkish hamster is said to be declining in the wild, yet this hamster is often used in laboratory testing. Turkish hamsters have lifespans of about two years and are solitary, nocturnal animals, which practice hibernation.They are reported to be more aggressive than