noun, masculine/ˈxamsteɾ/plural: hámsteres
hámster is masculine in Spanish.
hamster
Borrowed from English hamster or German Hamster, from Old High German hamastra, hamustro (“field mouse”), probably from Old East Slavic хомѣсторъ (xoměstorŭ), хомѣстаръ (xoměstarŭ). See English hamster for more.