any member of the group of birds that includes the familiar woodpeckers and their relatives the piculets and wrynecks (that collectively make up the family Picidae) and the exotic tropical jacamars (Galbulidae), puffbirds (Bucconidae), barbets (Capitonidae), honey guides (Indicatoridae), and toucans (Ramphastidae). This arboreal group of approximately 400 species is distributed on all continents except Australia and Antarctica, but only the woodpecker family is widespread outside the tropics. Although six families make up the order, the true woodpeckers of the family Picidae account for over half of the species
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