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Definition
| the feathers that give the bird its outward form |
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| the area between the eye and the bill of a bird |
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| the longer contour feathers that extend beyond the body and are used in flight |
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| the process a bird uses to trim and clean its feathers with its bill |
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| the smaller feathers that cover the base of the quills of the wings and tail feathers |
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| short, hair-like feathers |
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| feathers that have tips that break down as they mature and then release a talclike powder |
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| the small feathers that cover the base area on a bird's wing |
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Definition
| the fleshy portion of the beak that surrounds the nostrils |
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| gravel-like material fed to birds that accumulates in the gizzard and aids in grinding the food material |
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| small projections of the dorsal wall of a male's cloaca that aids in transferring sperm to the female cloaca |
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| birds, especially cockateils, that are primarily yellow |
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Definition
| the feathers on the back of a bird |
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| a place where a large number of birds are kept |
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Definition
| the breastbone of an animal |
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Definition
| small, soft feathers located under the contour feathers that conserve body heat |
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| the lower and upper segments of a bird's bill |
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Definition
| feathers that are black, with the outer margins or edges being of a different color |
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| a nest of eggs or group of young birds |
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| the area in a bird's oviduct where the two shell membranes are added to surround the yolk and albumen |
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