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Aves - Neognathae - Charadriiformes - Sternidae - Sterna - Sterna bergii

Species Description
The Greater Crested Tern, Thalasseus bergii, is a seabird in the tern family. It is a large tern with a long yellow bill, a glossy black crest, and black legs. Fish make up 90% of the prey items. Like all members of the of the genus Thalasseus, it feeds by plunge diving for fish in marine environments. The adult is 18-19 inches in length, contains a 49-51 inch wingspan, and weighs 325-397 g. It nests in dense colonies on coastlines and islands. The Greater Crested Tern is closely related to the Royal and Lesser Crested Tern, but is clearly distinguished by size and bill color.
Skeletal Elements Available

Mandible (Jawbone )

Left Femur (Left Upper Leg Bone)

Left Humerus (Left Upper Arm Bone)

Right Humerus (Right Upper Arm Bone)

Right Femur (Right Femur)

Left Ulna (Lower Arm Bone )

Right Ulna (Lower Arm Bone )

Right Tibiotarsus and Fibula (Right Middle Leg Bones)

Left Tibiotarsus and Fibula (Left Middle Leg Bones)

Left Radius (Lower Arm Bone)

Right Radius (Lower Arm Bone )

Furcula (Wishbone)

Left Tarsometatarsus (Left Fused Element Consisting of Ankle and Middle Foot Bones)

Right Tarsometatarsus (Right Fused Element Consisting of Ankle and Middle Foot Bones)

Sternum (Breast Bone)

Cranium (Skull)
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