There are currently 380 known species of the Order Piciformes which includes Barbets, Toucans, and Woodpeckers. I have photographed 19 (5.0%) of these species of birds, all of the Family Picidae.
Family: Lybiidae (41 species – African Barbets)
Family: Megalaimidae (35species – Asian Barbets)
Family: Capitonidae (15 species – New World Barbets)
–Red-headed Barbet (Eubucco bourcierii)
Family: Semnornithidae (2 species – Toucan-Barbets)
–Toucan Barbet (Semnornis ramphastinus)
Family: Ramphastidae (36 species – Toucans)
–Choco Toucan (Ramphastos brevis)
–Collared Aracari (Pteroglossus torquatus)
–Crimson-rumped Toucanet (Aulacorhynchus haematopygus)
–Plate-billed Mountain-Toucan (Andigena laminirostris)
–Yellow-throated Toucan (Ramphastos ambiguus)
Family: Indicatoridae (16 species – Honeyguides)
Family: Picidae (235 species – Woodpeckers)
–Yellow-bellied Sapsucker (Sphyrapicus varius)
–Red-headed Woodpecker (Melanerpes erythrocephalus)
–Acorn Woodpecker (Melanerpes formicivorus)
–Golden-fronted Woodpecker (Melanerpes aurifrons)
–Red-bellied Woodpecker (Melanerpes carolinus)
–Great Spotted Woodpecker (Dendrocopos major)
–Downy Woodpecker (Dryobates pubescens)
–Nuttall’s Woodpecker (Dryobates nuttallii)
–Ladder-backed Woodpecker (Dryobates scalaris)
–Red-cockaded Woodpecker (Dryobates borealis)
–Hairy Woodpecker (Dryobates villosus)
–Pileated Woodpecker (Dryocopus pileatus)
–Northern Flicker (Colaptes auratus)
–Eurasian Green Woodpecker (Picus viridis)
–American Three-toed Woodpecker (Picoides dorsalis)
–Red-naped Sapsucker (Sphyrapicus nuchalis)
–Williamson’s Sapsucker (Sphyrapicus thyroideus)
–Black-cheeked Woodpecker (Melanerpes pucherani)
–Golden-olive Woodpecker (Colaptes rubiginosus)
–Guayaquil Woodpecker (Campephilus gayaquilensis)
–Lineated Woodpecker (Dryocopus lineatus)