Africa: Avian Architects – Weaver Birds in Africa Have Unique Building Styles

[The Conversation Africa] From afar, the acacia trees look like they have been decorated with grass pom-poms. The birds have been busy, building shelters of straw and grass. Up close the real shape of the “pom-poms” becomes clear: grass tubes in the form of an upside down “U”, with an opening at each end. 

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AllAfrica News: Environment