Baby kangaroos are called joeys and are only the size of your thumb when they're born!
袋鼠宝宝称作“幼兽”，它们刚出生的时候只有拇指大小！
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Mr. O'Brien said the plans also failed to deal with humane issues, particularly in relation to the killing of joeys .
派特·奥布瑞恩先生说，计划还没有处理好人道问题，特别是涉及到猎杀幼年袋鼠上的人道问题。
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Yva said: "This was one of two females with young joeys. The mothers were grazing in short grass and periodically resting, while the babies kept sticking their heads and legs out of the pouches."