Animal – San Francisco Zoo & Gardens

这些雨林两栖动物主要在夜间活动，它们分泌出一股臭味且乳白色液体的物质来吓退捕食者。.

美国黑熊

北美最小的熊种类因其敏锐的嗅觉、敏捷的动作和游泳能力而闻名。.

As one of the larget flying birds in North America, their wings can span up to 9 feet. Groups are called squadrons.

作为两节鞍的骆驼种类，它们能够在原产于中亚和东亚的极端温度条件下生存。.

这种基石物种生活在地下，它们被视为生态系统中的超级英雄，为其他物种创造栖息地，并保持土壤的持续空气循环。.

作为世界上最小的羚羊种类和最小的杜基尔，它们在森林生态系统中发挥着重要作用。.

Known as the second most abundant duck species in North America, they migrate long distances into South and Central America.

这种大型半水生爬行动物拥有长而平坦的尾巴，可以作为强大的游泳桨。.

As the second largest lizard that is native to the U.S., and as rock dwellers, are found in arid deserts in the southwest and northwestern Mexico.