
Redear Sunfish swimming among branches and plants.
Artwork is in the public domain

Leaf cutting ant of Central America. These ants are the primary herbivores of tropical areas. Ant is shown carrying a leaf on a branch.
Photograph is in the public domain

Pair of white Gerfalcons one in flight the other sitting on the edge of a cliff.
Artwork by John James Audubon and is in the public domain

United States Army all purpose lightweight individual carrying equipment.
Artwork is in the public domain

A US Navy attack submarine called The USS Annapolis SSN 760 is submerged in the Arctic Ocean after surfacing through three feet of ice during ice exercise.
Photograph is in the public domain

Skull and neck vertebrae of an Allosaurus Fragilis dinosaur late jurrassic approximately 150 million years ago.
Photograph is in the public domain