Bornean eared frog (Polypedates otilophus) at the National Aquarium in Baltimore.
A vulnerable male long tailed duck or oldsquaw (Clangula hyemalis) in summer plumage at Patuxent Wildlife Research Center
A red throated loon at Patuxent Wildlife Refuge Research Center.
A vulnerable big-headed Amazon river turtle (Peltocephalus dumerilianus) at the National Aquarium, Baltimore.
An Atlantic puffin (Fratercula arctica) in winter plumage at the National Aquarium in Baltimore.
A Razorbill (Alca torda) in summer plumage at the National Aquarium, Baltimore.
An Australian walking stick (Extatosoma tiaratum) at the National Aquarium, Baltimore.
Australian walking sticks (Extatosoma tiaratum) in two colors at the National Aquarium, Baltimore.
A common Monkey Lizard (Polychrus marmoratus) at the National Aquarium, Baltimore.
Snow geese (Chen caerulescens) flock near J. Clark Salyer National Wildlife Refuge, North Dakota.
A tricolor or phantasmal dart frog (Epipediobates tricolor). The photo was taken at the National Aquarium in Baltimore.
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