The Macau Post Office will issue a set of 4 bird stamps on 11 September 2011. The birds featured are:
Light-vented Bulbul / Pycnonotus sinensis
Spotted Dove / Streptopelia chinensis
Yellow Bittern / Lxobrychus sinensis
Greater Coucal / Centropus sinensis
As with all WWF stamp issues, there will be first day covers and maximum cards.