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Left Humerus (Left Upper Arm Bone) of the Cattle Egret Bubulcus ibis (YPM 110394)

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Phylogenic Position
Aves - Neognathae - Ciconiiformes - Ardeidae - Bubulcus - Bubulcus ibis
Species Description
The Cattle Egret is often found foraging alongside herds of cattle. As the cattle move they disturb insects and small amphibians which the egrets prey upon. Since the nineteenth century the Cattle Egret has been increasing its distribution. Originally found in tropical and subtropical Africa and Asia and parts of Spain and Portugal, populations are now found worldwide in tropical and temperate zones. Adult Cattle Egrets are mostly white however during the breeding season they develop orange plumage on the back and around the head. Their eyes will also change to a bright red color. When courting, male Cattle Egrets will sit in trees and perform a ritualized display involving shaking a twig and pointing to the sky with its beak to attract a mate. Cattle Egrets are favored by cattle ranchers because they help to control parasites like ticks and flies.
Specimen Information
Species Bubulcus ibis (Cattle Egret)
Element Left Humerus (Left Upper Arm Bone)
Specimen Number YPM 110394
Sex Female
Geological Age Recent
Technical Information
Scanner Roland Picza
Resolution 40 ┬Ám
Number of Data Points 261654
Number of Data Polygons 130829
Date Scanned February 11, 2010
Scan Technician Abby Grace Drake
Edited By Abby Grace Drake

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Download Digital Model Size
STL File Not Publicly Available 13.1 MB
Other Bubulcus ibis (Cattle Egret) Elements
Specimen Element
YPM 110394 Sternum (Breast Bone)
YPM 110394 Left Tarsometatarsus (Left Fused Element Consisting of Ankle and Middle Foot Bones)
YPM 110394 Right Tarsometatarsus (Right Fused Element Consisting of Ankle and Middle Foot Bones)
Institution Data Use Policy

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