Nature Websites

Dedicated to Sea Turtle Postage Stamps of the World indexed country and species wise.

Worldwide collection of beautiful fauna stamps.

Fossils and Dinosaurs on stamps.

An illustrated catalogue of postal stamps featuring dinosaurs.

Unique Collection of Horse Stamps from the World.

Collection of Cat on stamps indexed by country

Explore the fascination world of Cryptozoology

A collection of dog stamps worldwide in every breed

Volcanoes on stamps with regional valcanoe maps

Stamps and Coins on Meteorites, Comets and Craters

National Birds of the world on stamps

Information related to collecting birds on stamps. Presenting BirdStamps - the complete listing of whole world bird stamps issues.

Stamps featuring Southern African Birds, particularly those birds that appear in "Roberts Birds of Southern Africa".

A site about Beetles on stamps listed by family and country.

Rock and Fossil Stamps of the United States

Yahoo Group for thematic collectors interested in Feline Philately (Cats - domestic and wild)

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

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.

Collection of Reptile and Amphibian stamps listed by species and country.

Indonesian stamp issues related to the environment.

Information and illustrations of all Australian postage stamps depicting Australian flora. Site by the Australian National Botanical Gardens

Dedicated to the waterfall stamp collectors. Check list of stamps on Waterfall, waterfall stamp information, Waterfall stamp resources, and general information on waterfalls.

A complete listing of all known Stanhopea and Sobralia orchids on stamps, with photos.

Prehistoric life forms and fossils on stamps, indexed by species with catalogue numbers

Invertebrates on Stamps

Images of stamps picturing gems, rocks, and minerals can be browsed by issuing country or mineral name.

List of stamps picturing fish can be sorted by scientific name, common name, and issuing country.

Provides images of stamps picturing animals.

Focuses on stamps picturing rocks, minerals, and gems.

Features checklists of turtle species, and provides images of stamps picturing certain types of turtles.

Provides checklists of stamps picturing dinosaurs and other prehistoric animals, along with paleontologists and anthropologists.

Site whose stated purpose is to catalog every giraffe-related stamp ever issued provides information and images.

Blog describes plants, animals, and landscapes pictured on stamps.

Pictures stamps depicting mountains, mountaineers, and volcanoes, and tells stories about each subject featured.

Describes and illustrates stamps picturing turtles and tortoises with lists organized by country.

Information about titmice, birdhouses and stamps with titmice.

Provides checklists of bear stamps issued through 2015.

Lists and illustrates mushroom stamps alphabetized by issuing country.

Postage Stamp Zoo displaying stamps on Animals.