Birds
In bird anatomy, the rump is the body immediately above the tail. The color of plumage on the rump is a characteristic widely used by ornithologists to distinguish between related species, and sometimes also between males and females of the same species. Similarly, the silhouette of the tailfan is a characteristic widely used for purposes of identification, particularly in the field.
Some birds have a food reservoir pouch in the esophagus that is known as a croup.
Read more about this topic: Rump (animal)
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“She does the work about the house
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—Charlotte Mew (1870–1928)
“To the birds and trees he talks:
Caesar of his leafy Rome,
There the poet is at home.”
—Ralph Waldo Emerson (1803–1882)
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—William Shakespeare (1564–1616)