Rainforests cover just six percent of Earth's surface yet contain almost half of the world's plants and animals. With a diversity of mammals, birds, and bugs unrivaled almost anywhere in the world, Panama's Barro Colorado Island is the perfect microcosm of nature. Every year, passionate and dedicated scientists gather to this oasis of life, scaling the treetops, from canopy to forest floor, in an attempt to unlock the secrets of the rainforest. Follow them as they explore how life thrives in one of the most complex habitats on Earth. 热带雨林充满了生机，这里为什么会有如此丰富的物种?解开这一大自然谜题的线索，或许就隐藏在巴拿马运河中心一座被森林覆盖的小岛巴洛克罗拉多岛上。每年，一群充满激情的科学家都会聚集到这里，他们会把蚂蚁从树上扔下去，会给树懒戴上礼帽，还会给蝙蝠播放手机铃声。