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Aves - Neognathae - Charadriiformes - Sternidae - Sterna - Sterna hirundo

Mandible (Jawbone ) of a Sterna hirundo (Common Tern)

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Species Description
The Common Tern, Sterna hirundo, is a seabird in the family Sternidae. This tern is typically 34-37 cm long and has a wingspan of 70-80 cm. The Common tern has a thin, sharp bill and long, red legs. It lives on rocky or sandy seashore, inhabits lakes, rivers, freshwater swamps, and freshwater marshes. This species breeds in temperate and sub-arctic regions of Asia, Europe, and Central North America. As the Common tern flies over the water, it hovers, and then plunge dives to take in fish and crustaceans.
Skeletal Elements Available

Mandible (Jawbone )

Right Humerus (Right Upper Arm Bone)

Left Humerus (Left Upper Arm Bone)

Furcula (Wishbone)

Sternum (Breast Bone)

Left Ulna (Lower Arm Bone )

Right Ulna (Lower Arm Bone )
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