Page "Cassowary" Paragraph 12
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All cassowaries have feathers that consist of a shaft and loose barbules.
They do not have retrices ( tail feathers ) or a preen gland.
Cassowaries have small wings with 5-6 large remeges.
These are reduced to stiff, keratinous quills, like porcupine quills, with no barbs.
A claw is on each second finger.
The furcula and coracoid are degenerate, and their palatal bones and sphenoid bones touch each other.
These, along with their wedge-shaped body, are thought to be adaptations to ward off vines, thorns and saw-edged leaves, allowing them to run quickly through the rainforest.
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