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Left Ulna (Lower Arm Bone ) of the White-headed Petrel Pterodroma lessoni (MCZ 346016)

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Phylogenic Position
Aves - Neognathae - Procellariiformes - Procellariidae - Pterodroma - Pterodroma lessoni
Species Description
Pterodroma lessoni, the White-headed Petrel, is mainly marine and is not seen near shores except in colonies or during stormy weather. Pterodroma lessoni feeds mainly on squid and crustaceans, which are captured during night diving. The population of White-headed Petrels is declining due to predation and invasive species, but remains at roughly 600,000 members to date. Breeding begins during October in loose colonies, at which time they will begin nesting in burrows dug in soft soil or scree near the coast or inland, up to 300 meters above sea level. Pterodroma lessoni can be distinguished by the dark eye line which gives them a masked appearance.
Specimen Information
Species Pterodroma lessoni (White-headed Petrel)
Element Left Ulna (Lower Arm Bone )
Specimen Number MCZ 346016
Location Australia, Vic. Portland, Portland Bay
Geological Age Recent
Technical Information
Scanner Konica Minolta Range7
Resolution 40 ┬Ám
Number of Data Points 49932
Number of Data Polygons 25005
Date Scanned June 13, 2012
Scan Technician Greg Monfette
Edited By Jaclyn Vignati

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Download Digital Model Size
STL File Not Publicly Available 2.5 MB
Other Pterodroma lessoni (White-headed Petrel) Elements
Specimen Element
MCZ 346016 Left Humerus (Left Upper Arm Bone)
MCZ 346016 Right Femur (Right Femur)
MCZ 346016 Left Tarsometatarsus (Left Fused Element Consisting of Ankle and Middle Foot Bones)
MCZ 346016 Left Femur (Left Upper Leg Bone)
MCZ 346016 Right Ulna (Lower Arm Bone )
MCZ 346016 Right Tibiotarsus (Middle Leg Bone, Right)
MCZ 346016 Mandible (Jawbone )
MCZ 346016 Right Humerus (Right Upper Arm Bone)
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