Thank you Andrew for this postcard from Russia. Both bird stamps used were issued in 2006.
Ross's Gull (Rhodostethia rosea): This small gull, which is named after the British explorer James Clark Ross, can be found in arctic north part of North America and in northeast Siberia. It migrates south but on a short distance. It can eat any small prey.
Siberian Crane or Snow Crane (Grus leucogeranus): It can be found in wetlands in arctic Russia and western Siberia. It migrates in China, Iran and India. It eats aquatic plants. It is classified as critical.