TAXONOMY

PHILATELY SERIES

World Wildlife Fund (WWF)

Common name:
   Swamp cicada
Philately link:
   Neotibicen tibicen
Country:
   Equatorial Guinea
Year Issued:
   1978
Common name:
   Black rhinoceros
Philately link:
   Diceros bicornis
Country:
   Republic of the Congo
Year Issued:
   1978