Sea Turtle Postage Stamps of the World - Dedicated to Sea Turtle Postage Stamps of the World indexed country and species wise. Just Animal Stamps - Worldwide collection of beautiful fauna stamps. Dinosaurier und Fossilien - Fossils and Dinosaurs on stamps. The Illustrated Catalogue of Dinosaur Stamps - An illustrated catalogue of postal stamps featuring dinosaurs. Horse Stamps - Unique Collection of Horse Stamps from the World. Cats on Stamps - Collection of Cat on stamps indexed by country Cryptozoology and Philately - Explore the fascination world of Cryptozoology Dogs on Stamps - A collection of dog stamps worldwide in every breed Volcanoes on stamps - Volcanoes on stamps with regional valcanoe maps Meteorite Stamps and Coins - Stamps and Coins on Meteorites, Comets and Craters National Birds on Stamps - National Birds of the world on stamps Theme Birds on Stamps - Information related to collecting birds on stamps. Presenting BirdStamps - the complete listing of whole world bird stamps issues. South African Birds on Stamps - Stamps featuring Southern African Birds, particularly those birds that appear in "Roberts Birds of Southern Africa". Beetles on stamps - A site about Beetles on stamps listed by family and country. Rock and Fossil Stamps of the United States - Rock and Fossil Stamps of the United States Catstamps Mailing List - Everything on Feline Philately - Yahoo Group for thematic collectors interested in Feline Philately (Cats - domestic and wild) Federal 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 and Wildlife Service. They are not valid for postage Bone and Stone, Echoes of the Past in Philately - Philatelic exhibit dedicated to the Neanderthal and their world. It includes other prehistoric men and stoneage cultures using material from stamp collecting to illustrate the theme. Reptile-Stamps - Collection of Reptile and Amphibian stamps listed by species and country. Ecophila - Indonesian stamp issues related to the environment. Australian Flora on Postage Stamps Home Page - Information and illustrations of all Australian postage stamps depicting Australian flora. Site by the Australian National Botanical Gardens Waterfall Postage stamps of the world - Dedicated to the waterfall stamp collectors. Check list of stamps on Waterfall, waterfall stamp information, Waterfall stamp resources, and general information on waterfalls. Sobralia & Stanhopea Orchids on Stamps - A complete listing of all known Stanhopea and Sobralia orchids on stamps, with photos. Stamped Out - Prehistoric life forms and fossils on stamps, indexed by species with catalogue numbers Pib's Virtual Stamp Collections - Focuses on metorites and on legendary and extinct animals. Entomophila - Invertebrates on Stamps - Invertebrates on Stamps Sylvestre Buoro's Rhino-Stamps Collection - Presents postal issues and related material picturing the rhinoceros, plus unrelated issues from several Central Asian countries. Old Beeg's Waterfall Stamps of the World - Site illustrates stamps picturing waterfalls. Philatelic Mineralogy - Images of stamps picturing gems, rocks, and minerals can be browsed by issuing country or mineral name. Fish Stamps - List of stamps picturing fish can be sorted by scientific name, common name, and issuing country. Fauna on Stamps of the World - Provides images of stamps picturing animals. Mineral Stamps - Focuses on stamps picturing rocks, minerals, and gems. Turtle Species on Stamps - Features checklists of turtle species, and provides images of stamps picturing certain types of turtles. Paleophilatelie - Provides checklists of stamps picturing dinosaurs and other prehistoric animals, along with paleontologists and anthropologists. Giraffe Stamps - Site whose stated purpose is to catalog every giraffe-related stamp ever issued provides information and images. Nature Flona Stamp - Blog describes plants, animals, and landscapes pictured on stamps. Mountainstamp.com - Pictures stamps depicting mountains, mountaineers, and volcanoes, and tells stories about each subject featured. Turtle and Tortoise Stamp Collecting - Describes and illustrates stamps picturing turtles and tortoises with lists organized by country. Tits and Chickadees on Stamps - Information about titmice, birdhouses and stamps with titmice. Bears on Postage Stamps - Provides checklists of bear stamps issued through 2015. Mushroom Stamps - Lists and illustrates mushroom stamps alphabetized by issuing country. Animals On Stamps - Postage Stamp Zoo displaying stamps on Animals.