The U.S. Postal Service issued five different deep sea creature stamps on Oct. 2, 2000. This item is a mint vertical strip of these 5 stamps. The bizarre creatures that live in this virtually unknown underworld are represented in this set by the Fanfin Anglerfish, the Sea Cucumber, the Fangtooth, the Amphipod, and the Medusa. Designed for the USPS by Ethel Kessler.

This mint self-adhesive stamp was issued by the United States on Mar. 14, 2003, to commemorate the centenary anniversary of the Pelican Island National Wildlife Refuge (1903-2003). The stamp was designed by Carl T. Herrman and features a Brown Pelican.

This sheet of 20 mint stamps, beautifully designed by Steve Buchanan, was issued by the United States Postal Service on Aug. 23, 2001. The sheet includes five copies each of four different stamp designs. The featured carnivorous plants are the Venus Flytrap, the Yellow trumpet, the Cobra Lilly, and the English Sundew. Each stamp depicts the carnivorous plant attacking an insect. Scott Cat.# 3531a.

This mint block of four self-adhesive stamps, beautifully designed by Steve Buchanan, was issued by the United States Postal Service on Aug. 23, 2001. The four different stamp designs feature the following carnivorous plants: the Venus Flytrap, the Yellow trumpet, the Cobra Lilly, and the English Sundew. Each stamp depicts the carnivorous plant attacking an insect. Scott Cat.# 3528-31.

This mint stamp, issued by the U.S. Postal Service on May 11, 1984, pays tribute to the exposition that celebrated fresh water, spotlighting rivers and ports of the world through displays and exhibitions. A variety of fish and birds, as well as a frog, are featured in the stamp design. Scott Cat.# 2086.

Issued by the United States Postal Service on May 14, 2007, this mint self-adhesive stamp (on original backing paper) features a stylized drawing of a bighorn sheep (Ovis canadensis). The Bighorn's range includes the colder, higher elevations of the Rocky Mountains and some of the hottest, most arid regions of the American Southwest and Mexico.

Issued by the USPS on April 16, 2009, this mint self-adhesive definitive stamp (on original backing paper) features the Polar Bear. The design shows the bear's head, chest, and front paws; in the background is a dark sky dotted with stars.

Featuring a Bottlenose Dolphin leaping from the water, this mint self-adhesive definitive stamp (on original backing paper) was issued by the United States Postal Service on June 12, 2009. The stamp design is intended to portray the playful behavior of these intelligent marine mammals.

Highlighting the need to protect and preserve wildlife resources, this mint stamp portrays the Whooping Crane, which at the time this stamp was issued (November 22, 2025) was almost extinct. This very attractive stamp, depicting two adult cranes and two chicks, was the fourth in the U.S. Wildlife conservation series (the 1956 three-stamp stamp- item USW1- initiated the series).

This mint self-adhesive stamp, featuring a Monarch Butterfly, was issued by the United States Postal Service on May 17, 2010. The 64 cents denomination paid the first class letter rate ($0.44) plus a $0.20 non-machineable (square/rigid/thick) envelope surcharge.

In addition to featuring a variety of marine life (dolphin, porcupine fish, coral, etc.), the designs in this mint block of four "Wonders of the Sea" stamps also include divers, a motor boat, a ship and a ship's wheel. Issued by the U.S. Postal Service on October 3, 1994. Scott Cat.# 2866a.

This mint block of four large stamps, issued by the U.S. on May 6, 1970, commemorated the centenary of the American Museum of Natural History in New York City. The stamps feature an American Bald Eagle, a herd of African Elephants, a Northwest Coast Canoe (Haida Indians), and Jurassic Dinosaurs. Scott Cat.# 1390a.