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How many species of piciform birds are there?

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downy woodpecker — Piciform Downy woodpecker (*Dendrocopos pubescens*).

The order Piciformes consists of an arboreal group of birds that includes woodpeckers, toucans, and their relatives. Estimates regarding the total number of species within this order vary slightly across sources, with some citing approximately 400 species and others noting approximately 450 species.12

The order is divided into six families, with the true woodpeckers of the family Picidae representing the most numerous group, accounting for over half of the total species.12