This video is called Mist netting for birds in Indonesia. This technique for catching birds is used by Operation Wallacea scientists at their sites around the world.
From BirdLife:
Indonesia’s threatened bird stamp series launched
Mon, Jul 16, 2012
Indonesia’s threatened bird stamp series launched
50,000 copies of the mini sheet have been printed
Burung Indonesia, in collaboration with the Ministry of Forestry, Ministry of Communications and Information Technology, and PT. Pos Indonesia, launched “Indonesia’s Threatened Bird Species” stamp series at the Botanical Garden on Sunday 15 July to celebrate the diversity of Indonesian birds. The four bird species illustrated on the stamps are Flores Hawk-eagle Nisaetus floris, Invisible Rail Habroptila wallacii, Siau Scops-owl Otus siaoensis, and Elegant Sunbird Aethopyga duyvenbodei.