Capitonidae, are to be excluded from these lists as indifferent.
Capitonidae, barbets, tropical.
They compose the family Rhamphastidae of Coraciiform birds, and are associated with the woodpeckers (Picidae) and puff-birds and jacamars (Galbulidae); their nearest allies perhaps exist among the Capitonidae, but none of these is believed to have the long feather-like tongue which is so characteristic of the toucans, and is, so far as known, possessed besides only by the Momotidae (see MoTMOT).
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