African penguins (also called jackass penguins for their donkeylike braying) face an uphill struggle to rebuild their population after a century of decline.

• 非洲企鹅(又称驴子企鹅,因为它们那接近驴嘶的叫声)一个世纪以来数目持续减少,如今的它们正面临着一个艰苦的重建种群的斗争。