According to Hernandez in his Historia avium Novae Hispaniae (p. 52), published at Rome in 1651, this is the Mexican name of a bird which he described well enough to leave no doubt as to what he meant; but the word being soon after printed Momot by Nieremberg and others gave rise to the Latinized Momotus, invented by M.
This is the Momotus brasiliensis of modern ornithologists, and from its geographical range cannot be the original Motmot of Hernandez, but is most likely the "Guira guainumbi" of Marcgrave.
The Momotidae form but a small group, containing about six genera, of which the best known are: Momotus, Baryphthengus, Hylomanes, Eumomota, Aspatha and Prionorhynchus, and the number of species is very small.
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