United States, 1981 Save Wildlife Habitats Issue

Issued on June 26, 1981, this attached block of four mint stamps promoted the preservation of American wetland, grassland, mountain, and woodland habitats of our native birds and mammals. The animals featured on the stamps are the Blue Heron, Badger, Grizzly Bear, and Ruffed Grouse. The above image is an enlargement; the actual size of this block of four stamps is 80mm x 51mm.