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A male American redstart, Setophaga ruticilla.
Juvenile American alligator swimming, showing the distinctive yellow striping found on juveniles
Two women having a conversation using American Sign Language.
A farmer with a pitchfork, wearing a hat identifying him as a Granger, warns of an oncoming “Consoli
American people aren't the only ones getting bigger—American pets are also putting on pounds
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...