China-Melodious Laughing Thrush

A 2011 bird stamp from China of a Chinese Hwamei , also known as a  Melodious Laughingthrush (Garrulax canorus)  

Morocco- Northern Bald Ibis

From a special friend who sent this cover while on holidays in Marrakech, North Africa. I know the postmark isn't very clear but the registration label is so I'm adding it here as its from an unusual destination.
From a 2012 4v set of fauna, which included a bird stamp of the Northern Bald Ibis -(Geronticus eremita)

Spain-Osprey

Posted from Las Palmas in  Spain to Helsinki  in Finland in 2000, this postcard was carried by a  1999 Western  Osprey (Pandion haliaetus) stamp. You've probably guessed this bird likes fish...take a good look  at the stamp :)

UAE-Saker Falcon

Although the designs are stylized, the defintive stamps of the UAE represent the Saker falcon which is the second largest falcon in world after the Gyr Falcon. These fast flyers are traditionally trained  for hunting  in the sport of falconry.
Cover sent registered from Dubai.

Christmas Island- Frigate Bird

Christmas Island is a Territory of Australia which issues  humorous  stamps at Christmas time for the festive season. The 2012 stamps did not disappoint  collectors as here we see Santa aided by a greater Frigate bird, a Green turtle and a few Red crabs creating some sand sculpture in the shape of a Christmas tree.
The cover flew in from Ouyen in Victoria.

UAE-Sea Birds

A 2010 minisheet with hexagonal stamps of the seabirds of the UAE . Sent registered from Deira Post Office in Dubai
 Two out of the six stamps have incorrect names .
 1 D Black headed gull  wrongly named , should be Little Gull  (Hydrocoloeus minutus)
2 D Grey heron is incorrect name ,the bird is a Little Egret ( Egretta garzetta)
 3D Little Gull Larus minutus,
 550fils Caspian Gull  (Larus cachinnans)
450 fils Socotra Cormorant, 150 fils Crab Plover Dromas ardeola