Results showed that the growth and development of White-Cheeked Starling's nestlings was divided into three period, the nestlings growth presented the "s" type curve.
结果表明：灰椋鸟雏鸟生长发育分为三个时期，雏鸟生长呈现“S”型曲线。
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Northern white-cheeked gibbons have specialized wrist joints and powerful arm muscles, which allow them to swing from tree branches, like the male pictured above in Pu Mat.