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第 1 季，第 5 集: After spending weeks building a nest of woven plant fibers, animal hair, and spider silk, the work of an expecting long-billed hummingbird isn't over. The mother still needs to find food for her newly hatched chicks and protect her blind, featherless kin from predators lurking below.
Documentary · 2015年12月16日 · 3 分钟