Close up of a tree branch with green leaves and an acorn on it

Two ancient coins on a white surface next to a ruler

Small plant in the middle of a dirt field

Close up of a tree branch with green leaves on it

Small green plant growing out of the ground in the woods

Close up of a plant with green leaves in the grass

Snowy owl perched atop a telephone pole

Small plant with yellow flowers growing out of the ground

Close up of a bur oak tree in the woods