steppe lemming造句

• Additionally, steppe lemmings need grass and other leafy greens, such as alfalfa, to thrive.
• Overall, three to eight steppe lemmings in one cage or aquarium is ideal, with no more than one male for every two or three females.
• Standard rodent food containing bits of dried fruit is not appropriate; as their natural diets do not contain much sugar, steppe lemmings are somewhat diabetic, and become sick or even die from overdosing on sugar.
• In one study from western Russia, rodents comprised more than 90 % of the diet of the eagle-owls, led by the steppe lemming ( " Lagurus lagurus " ) at 24 % by number, the narrow-headed vole ( " Microtus gregalis " ) at 21 % and the European water vole at 17.9 %.