Mallard ducks fly through the air as a rainbow forms over the Lewiston Clarkston Valley Wednesday in Lewiston.

The American Bald Eagle's eyes are yellow in color. The eagle however has a second eyelid called the nictitating membrane. The membrane will slide across the eagle's eye ever three or four seconds, helping to remove dust and debris from eyes. The eagle is able to see through the membrane due to it's translucence ensuring the eagle keeps it's vision sharp in flight. 

A mother black bear rests in a tree with her two cubs nearby. A black bear has excellent balance and will climb a tree for safety, to get to beehives, to survey the area, or to nap. 

A barn owl sits in a tree in Lewiston, Idaho.

A great blue heron breaks the surface of the Willamette River near the Alton Baker Park duck ponds in Eugene. The usually still stalkers can be found along the banks of the Willamette, Amazon Creek, and Delta Ponds feeding on fish, amphibians, reptiles, invertebrates, small mammals and other birds. 

An osprey shakes its head around while sitting on a treetop looking over West Evans Ponds in Clarkston.

A dragonfly defends the stick it has set claim to as another dragonfly tries to land on it in the Golden Gardens Park in Eugene on Friday, August 11, 2017. (August Frank/The Register-Guard)

The eyes of a freshly caught yelloweye rockfish shine in sharp contrast to the fishes bright orange body. The yelloweye can live 114 to 120 years old, making it one of the worlds longest living fish species. As they grow, their color changes from red in youth, to bright orange in adulthood, to yellow in old age. 

An eagle sets it's sights on a landing point nearby the fish cleaning station in Cordova Alaska. The eagle can reach speeds of up to 40 mph while cruising and 100 mph in a dive. 

A northern saw-whet owl snoozes the day away Wednesday in a tree in Lewiston. The nocturnal species is one of the smallest owls in the world and will species their days camouflaged within the foliage of trees. The owls can detect prey with great accuracy due to their asymmetrical ears with the right being located high and facing upward and left being low and facing down. Along with boreal owls, the saw-whet have the most asymmetrical ears of all owls.

A spider stays hard at work crafting a web in some above some bushes Tuesday on Main Street in Lewiston.