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xing tai duo yang de niao zui ( xia )
Pages: 10-13
Year: Issue:  7
Journal: Knowledge is Power

Abstract:  肉食性猛禽的嘴强大而粗壮,上颌比下颌长,并且上颌向下弯曲呈钩状,主要用于撕裂猎物.它可以将钩嘴刺进猎物的体内,叼住它,然后用脚将猎物向相反的方向蹬踹,将猎物扯碎,再一块块吞下.
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