tectrices


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tectrices

the wing coverts of birds.
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Five body regions were examined in each bird based on their importance in sexual displays, UV photography, and previous findings from other species of birds (33): the frons (blue forehead), the occiput (green nape), the tetriceces alulae dorsales (yellow alula), the pars pennacea of the first remiges primariae (dark-blue wing tip), and the tectrices caudales (green tail, middle portion).