ナショナルジオグラフィックのインスタグラム(natgeo) - 2月15日 08時02分

Video by @bertiegregory. A hungry gentoo penguin chick chases its parent through the colony. These comical pursuits are very common once the chicks are mobile. As the chicks repeatedly beg for food, the adults slowly reach a threshold at which point they suddenly bolt off! It's easy to anthropomorphise and assume the adult is just running away in frustration. However, there are theories that suggest there's more to it. Gentoos often have multiple chicks. It's thought that these chases could ensure that only the fittest chick keeps up with the adult and subsequently gets fed. Shot on Sea Lion Island in the South Atlantic Ocean as part of a new online series for National Geographic. Follow @bertiegregory for more wildlife videos!

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