Mary Allen
Rodents dabbobi ne masu shayarwa da keɓaɓɓun incisors guda huɗu: biyu a tsakiyar jere na haƙora biyu kuma a ƙasa. Wadannan incisors suna ci gaba da girma a baya, har zuwa millimita biyar a mako. Incisors ɗin suna ƙarewa koyaushe saboda berayen suna amfani da su don fasa goro, sare bishiyu, ko tona ramuka a ƙasa, ya danganta da nau'in berayen.
An gina kwanyar rowan ta yadda za su sami ƙarfi da yawa don ci. Wannan kuma ya haɗa da tsokoki masu ƙarfi sosai. Dukkan kwarangwal yana kama da na sauran dabbobi masu shayarwa.
Ana iya samun rodents kusan ko'ina a duniya sai a wasu tsibirai masu nisa da kuma Antarctica. Duk rodents suna da Jawo. Mafi ƙanƙanta kuma mafi sauƙi shine linzamin girbi, wanda ya kai matsakaicin gram biyar. Mafi girma rodent shi ne capybara ɗan asalin Kudancin Amirka. Yana da tsayin sama da mita ɗaya daga kai zuwa ƙasa. Yana iya auna har zuwa 60 kg.
Yawancin rodents suna cin tsire-tsire. Yawancinsu suna iya narkar da itace. ’Yan berayen kuma suna cin nama. Yawancin rodents suna rayuwa a ƙasa. Wasu, kamar beaver, sun dace da rayuwa a cikin ruwa da kyau. Wasu kuma, kamar naman alade, sun ƙirƙiro ciyayi don su kāre kansu daga maƙiyansu.
Rodents, kamar sauran dabbobi masu shayarwa, suna yin aure ta yadda kananan dabbobi su girma a cikin mace. Wasu nau'ikan rodents suna yin hibernate, kamar dormouse da marmots.
Rodents sun haɗa da squirrels, marmots, beavers, mice, beaves, zomaye, hamsters, pigs Guinea, chinchillas, porcupines, da yawancin dabbobi masu kama da juna. Rodents suna tsara nasu tsari a cikin ajin dabbobi masu shayarwa.