This post was written by Grace Costantino, Outreach and Communication Manager for the Biodiversity Heritage Library (BHL). It first appeared on the BHL blog here.
Deep within the rainforest canopy of the Aru Islands, just west of New Guinea, two male Greater Birds-of-Paradise dance among the branches in carefully coordinated steps, their magnificent yellow, white, and maroon plumage undulating gracefully to the rhythm of their own unique song.