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Sternum (Breast Bone) of the Magnificent Frigatebird Fregata magnificens (YPM 105483)


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Phylogenic Position
Aves - Neognathae - Pelecaniformes - Fregatidae - Fregata - Fregata magnificens
Species Description
The Magnificent Frigatebird is an acrobatic seabird that only come to land to breed. It captures fish and squid by skimming them from the surface of the water with its hooked beak but is also known for harassing other birds into dropping their food which the Frigatebird will then catch in the air. It is the only sexually dimorphic species of seabird. During the breeding season the males will find a suitable nest site from which they perform elaborate displays to attract females. The males have a bright red throat pouch that they blow up with air like a balloon. They then tilt their heads back, make clacking noises with their beaks, vibrate their outstretched wings and wave their throat pouches while the females fly overhead. Females usually lay only one egg. The eggs take 50 days to hatch and both parents take turns feeding the nestling until is 12 weeks old at which time the male leaves. The female will continue to feed and care for the young for up to a year after hatching.
Specimen Information
Species Fregata magnificens (Magnificent Frigatebird)
Element Sternum (Breast Bone)
Specimen Number YPM 105483
Sex Male
Location Dominican Republic
Geological Age Recent
 
Technical Information
Scanner Konica Minolta Range7
Resolution 40 ┬Ám
Number of Data Points 81979
Number of Data Polygons 41002
Date Scanned June 05, 2010
Scan Technician Tiffany Medwid
Edited By Tiffany Medwid
 
Photographs


View All 4 Images

Download Digital Model Size
STL File Not Publicly Available 4.1 MB
Other Fregata magnificens (Magnificent Frigatebird) Elements
Specimen Element
YPM 105483 Mandible (Jawbone )
YPM 105483 Right Tarsometatarsus (Right Fused Element Consisting of Ankle and Middle Foot Bones)
YPM 105483 Left Humerus (Left Upper Arm Bone)
YPM 105483 Right Humerus (Right Upper Arm Bone)
YPM 105483 Left Tarsometatarsus (Left Fused Element Consisting of Ankle and Middle Foot Bones)
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