Gb	Eng
由喙部为红色这一特点可以辨认出其为雄性（以区别於雌性）.	The male is distinguished (from the female) by its red beak.
那种鸟雄鸟的喙呈橙色, 与雌鸟不同.	The male's orange beak differentiates it from the female.