- presupplemental
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adj.
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Universalium. 2010.
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Universalium. 2010.
presupplemental — adj … Useful english dictionary
Beak — For other uses, see Beak (disambiguation). Comparison of bird beaks, displaying different shapes adapted to different feeding methods. Not to scale. The beak, bill or rostrum is an external anatomical structure of birds which is used for eating… … Wikipedia
Humphrey-Parkes terminology — is a system of nomenclature for the plumage of birds. Before the Humphrey Parkes system, plumage was named after the belief that a certain plumage was breeding plumage and others were not. However, as this system did not always work correctly,… … Wikipedia