This cover features a full set of bird stamps commemorating the conservation groups BirdLife International and Burung Indonesia (BirdLife Indonesia).
Date: 9th September 2013
- Upper left: Siau Scops Owl, Otus siaoensis
- Upper right: Flores Hawk-Eagle, Nisaetus floris
- Lower left: Invisible Rail, Habroptila wallacii
- Lower right: Elegant Sunbird (male), Aethopyga duyvenbodei
Here are some links to the conservation groups commemorated on these stamps:
Thanks to Basora for this cover.