Plumulaceous (downy) regions of a contour feather. Basal plumulaceous

Down Feather Structure Varies Between High and Low Elevation Male Andean Torrent Ducks (Merganetta Armata)

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Seasonal changes in plumage density, plumage mass, and feather morphology in the world's northernmost land bird, the Svalbard Rock Ptarmigan (Lagopus muta hyperborea)

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Details of the contour feather features and their state in each species

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A) Map of the four lakes at the Madagascar Pochard site near

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Plumulaceous (downy) regions of a contour feather. Basal

Plumulaceous (downy) regions of a contour feather. Basal plumulaceous

Microscopic identification of feathers from 7th century boat burials at Valsgärde in Central Sweden: Specialized long-distance feather trade or local bird use? - ScienceDirect

Ana AGREDA, Program Manager, Master of Science

Relative frequency of Rockhopper Penguin dives versus time of day

Plumulaceous (downy) regions of a contour feather. Basal plumulaceous