Bubo bubo (Berguv) - Aland 1996

Bubo bubo or Eurasian Eagle-Owl  is a species of eagle owl resident in much of Europe and Asia. It is also one of the largest types of owls.The Eagle Owl is a large and powerful bird, smaller than the Golden Eagle. It mainly feeds on small mammals  such as voles, rats, mice and hares.

The Eagle Owl is largely nocturnal and is usually found nesting on cliff ledges. Eagle Owls are distributed sparsely through a wide range of habitats. They have been found in habitats as diverse as Northern coniferous forests to the edge of vast deserts. Rocky areas seem to be favoured, with cliffs and mountains abutting woodland usually containing the largest numbers of these owls.

Bluefin Tuna (Thunnus thynnus) –Bermuda 2004

Bermuda Post has collaborated with WWF issue the stamps featured Bluefin Tuna (Thunnus thynnus) on August 19, 2004. The cover has simple post mark and depict the school of fishes.

Thunnus thynnus or  Northern bluefin tuna  is native to both the western and eastern Atlantic Ocean, as well as the Mediterranean Sea. Northern bluefin tuna is a species of tuna in the Scombridae family and have become extinct in the Black Sea and Caspian Sea. The Northern bluefin tuna is a close relative of the other two bluefin tuna species—the Pacific bluefin tuna and the Southern bluefin tuna.

Giant Devil Ray–Gibraltar 2006

On February 20,  2006, Gibraltar Post issued the official FDC features Giant Devil Ray or Mobula Mobular. This issue has related with the WWF stamps also have issued on the same date.

The Giant Devil Ray or Mobula Mobular is a species of eagle ray, family Myliobatidae, has a limited range and a low rate of reproduction. It is large animal , growing to a maximum length of 520 centimetres, and it possesses a spiny tail. The species feeds on crustaceans and small schools of fish.

The Giant Devil Ray is sensitive to environmental changes.The 2004 IUCN Red List listed the devil fish as a vulnerable species, but in 2006 it was reclassified as an endangered species.

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Subantarctic Fur Seal -Tristan da Cunha

Tristan da Cunha Post collaborated with WWF organization released the stamp featured Subantarctic fur Seal (Arctocephalus tropicalis) as one of threatened species on July 12, 2004.The local FDC  issued together on the same date as officially FDC by Tristan da Cunha Post.

Humphead Wrasse–Samoa 2006

The Humphead wrasse  or (Cheilinus undulatus) is the largest living member of the family Labridae. The   males reaching 2 m in length, while females no more than 1 m. The humphead wrasse has specific distinctive  thick, fleshy lips and a hump that forms on its head above the eyes, becoming more prominent as the fish ages. Males have colour  range from a bright electric blue to green, a purplish blue, or a relatively dull blue/green.

Giant Hammerhead Shark–Montserrat 1991

Great Hammerhead Shark or Sphyma mokarran, has featured on the local WWF cover on 29th November 1999. This cover issued together with the WWF stamp series by Montserrat Post. The cover have postmark of WWF logo.

Great hammerheads may be found from inshore waters of less than 1 m  deep, to a depth of 80 m  offshore. They favour coral reefs, but also inhabit continental shelves, island terraces, lagoons, and deep water near land.The great hammerhead is a solitary, nomadic predator that tends to be given a wide berth by other reef sharks.

The average great hammerhead measures up to 3.5 m  long and weighs over 230 kg. The favourite prey of the great hammerhead are rays and skates, especially stingrays.With its large size and cutting teeth, the great hammerhead is certainly capable of inflicting fatal injuries to a human.

Hydrobates pelagicus & Oceanodroma leucorhea - Faroe Islands 2005

Faroe Islands Post issued WWF stamps features  Hydrobates  pelagicus &  Oceanodroma  leucorhea  in four stamps and a local FDC on June 6, 2005.The Hydrobates  pelagicus or Storm Petrel is a small bird, only the size of a House Martin, which it superficially resembles with its dark plumage and white rump. It is 15–16 cm in length with a 38–42 cm wingspan.