Aves 3D

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• Common Name
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Left Ulna (Lower Arm Bone ) of the Greater Crested Tern Sterna bergii (MCZ 345022)

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Phylogenic Position
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.
Specimen Information
Species	Sterna bergii (Greater Crested Tern)
Element	Left Ulna (Lower Arm Bone )
Specimen Number	MCZ 345022
Sex
Location	Australia, Vic. Portland, Portland Bay
Geological Age	Recent
Technical Information
Scanner	Konica Minolta Range7
Resolution	40 µm
Number of Data Points	305139
Number of Data Polygons	152594
Date Scanned	July 20, 2011
Scan Technician	Ariana Masi
Edited By	Ariana Masi
Photographs
View All 5 Images
Download Digital Model	Size
STL File Not Publicly Available	15.3 MB
Other Sterna bergii (Greater Crested Tern) Elements
Specimen	Element
MCZ 345022	Mandible (Jawbone )
MCZ 345022	Left Femur (Left Upper Leg Bone)
MCZ 345022	Left Humerus (Left Upper Arm Bone)
MCZ 345022	Right Humerus (Right Upper Arm Bone)
MCZ 345022	Right Femur (Right Femur)
MCZ 345022	Right Ulna (Lower Arm Bone )
MCZ 345022	Right Tibiotarsus and Fibula (Right Middle Leg Bones)
MCZ 345022	Left Tibiotarsus and Fibula (Left Middle Leg Bones)
MCZ 345022	Left Radius (Lower Arm Bone)
MCZ 345022	Right Radius (Lower Arm Bone )
MCZ 345022	Furcula (Wishbone)
MCZ 345022	Left Tarsometatarsus (Left Fused Element Consisting of Ankle and Middle Foot Bones)
MCZ 345022	Right Tarsometatarsus (Right Fused Element Consisting of Ankle and Middle Foot Bones)
MCZ 345022	Sternum (Breast Bone)
MCZ 345022	Cranium (Skull)
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