Bears on Postage Stamps: Bears on Postage stamps. Useful information on bear speciesBeetles on stamps: A site about Beetles on stamps listed by family and country.Birds on Stamps: Birds on Worldwide Postage stamps.Bone and Stone, Echoes of the Past in Philately: Philatelic exhibit dedicated to the Neandertal and their world. It includes other prehistoric men and stoneage cultures using material from stamp collecting to illustrate the theme.Butterflies and Animals on stamps: Butterflies and Moths, WWF comprehensive price lists. Updates regularly.Cats on Stamps: Collection of Cat on stamps indexed by countryCatstamps Mailing List - Everything on Feline Philately: Yahoo Group for thematic collectors interested in Feline Philately (Cats - domestic and wild)Cryptozoology and Philately: Explore the fascination world of CryptozoologyDinosaurier und Fossilien: Fossils and Dinosaurs on stamps.Dinosaurs And Prehistoric Animals on Stamps: A listing of Dinosaurs and Prehistoric Animals on stamps with some imagesDogs on Stamps: An extensive collection of dog stamps worldwide in every breedDolphins on Stamps: Stamps of DolphinsEntomophila - Invertebrates on Stamps: Invertebrates on StampsFederal Duck Stamp Program: Federal Migratory Bird Hunting and Conservation Stamps, commonly known as “Ducks Stamps,” are pictorial stamps produced by the U.S. Postal Service for the U.S. Fish & Wildlife Service. They are not valid for postageFish stamps: A scientifically indexed site on Fish stamps as part of a larger site on fish. Good reference materialFrogs on Stamps: Frogs of the World on Postage stampsGeology on stamps: Geostamps - geology, mineralogy & paleontology on post stampsGiant Panda Stamps: Giant Panda on StampsHorse Stamps: Unique Collection of Horse Stamps from the World.Just Animal Stamps: Worldwide collection of beautiful fauna stamps.Kingfisher Philately: A dedicated Kingfisher philatelic site with species detailsMeteorite Stamps and Coins: Stamps and Coins on Meteorites, Comets and CratersMineral, Rock, and Gem Postage Stamps: Topical stamps that feature minerals, rocks, and gems.Minerals & Gems on Stamps: Stamps on Minerals and GemsNational Birds on Stamps: National Birds of the world on stampsNewfoundland Dog Stamps: Stamps on Canada's gentle gaints - The Newfoundland DogOwls on Stamps: An Owl lover's Stamps pagePhilately: Stamps in 'Crystallography News'Prehistoric life on stamps: Prehistoric life forms and fossils on stamps, indexed by species with catalogue numbersReptile-Stamps: Collection of Reptile and Amphibian stamps listed by species and country.Reptiles and Amphibians on Stamps: Price List of Reptiles and Amphibians on stampsRhinoceros on stamps: Rhinoceros on stampsRock and Fossil Stamps of the United States: Rock and Fossil Stamps of the United StatesRoses on postage stamps: Images and lists of Rose stamps of the worldSea Turtle Postage Stamps of the World: Dedicated to Sea Turtle Postage Stamps of the World indexed country and species wise.Seals and Whales on stamps: Stamps of Seals and WhalesSnorkeling, Scuba Diving & Underwater Exploration on Stamps: Stamps on Snorkeling, Scuba Diving & Underwater ExplorationSobralia & Stanhopea Orchids on Stamps: A complete listing of all known Stanhopea & Sobralia orchids on stamps, with photos.South African Birds on Stamps: Stamps featuring Southern African Birds, particularly those birds that appear in "Roberts Birds of Southern Africa".STAMPS OF ISRAELI BIRDS: Stamps of Isreali Birds listed by Family, Latin and English namesStamps on International Year of the Ocean: A UNESCO siteThe Illustrated Catalogue of Dinosaur Stamps: An illustrated catalogue of postal stamps featuring dinosaurs.Theme Birds on Stamps: Information related to collecting birds on stamps. Presenting BirdStamps - the complete listing of whole world bird stamps issues.Tits and Chickadees on Stamps: Information about titmice, birdhouses and stamps with titmice.Volcanoes on stamps: Volcanoes on stamps with regional valcanoe mapsWaterfall Stamps of the World: Waterfall Stamps of the WorldWild and Domestic Cats on Stamps: Comprehensive listing of many worldwide postage stamps for sale.WWF Giant Panda Philatelic Numismatic Cover PNC: WWF PNC of giant panda.