Les Falconiformes, ou Accipitriformes selon les classifications les plus récentes, constituent un ordre d'oiseaux aux caractéristiques physiques et comportementales remarquablement adaptées à la ...
These are the tenth and eleventh in a series of bulletins of the United States National Museum on the life histories of North American birds, with previous numbers issued as follows: 107, 113, 121, ...
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