What is Piciformes?
{{Automatic taxobox | fossil_range = [[Early Eocene]] to present | image = Red-crowned woodpecker (Melanerpes rubricapillus rubricapillus) female.jpg | image_caption = [[Red-crowned woodpecker]]<br/>''Melanerpes rubricapillus rubricapillus''<br/>female, [[Tobago]] | taxon = Piciformes | authority = [[Bernhard Meyer|Meyer]] & [[Johann Wolf|Wolf]], 1810 | subdivision_ranks = Suborders and families | subdivision = *[[Galbuli]] **[[Bucconidae]] **[[Galbulidae]] *[[Pici (taxon)|Pici]] **[[Ramphastides]] ***[[Megalaimidae]] ***[[Lybiidae]] ***[[Capitonidae]] ***[[Semnornithidae]] ***[[Ramphastidae]] **[[Picides]] ***[[Indicatoridae]] ***[[Picidae]] For prehistoric taxa, see text |synonyms = Galbuliformes <small>Fürbringer, 1888</small> }} '''Piciformes''' are an order of [[bird]]s containing about 67 living [[genera]] with a little over 400 [[species]], of which the [[Picidae]] ([[woodpecker]]s and relatives) make up about half. Amost all live in woods ([[arboreal]]). In general, the Piciformes are [[insectivorous]], though the [[Capitonidae|barbets]] and [[toucan]]s mostly eat fruit and the [[honeyguide]]s are unique among birds in digesting [[beeswax]] (though insects make up most of their diet). Nearly all Piciformes have [[parrot]]-like [[zygodactyl]] feet—two toes forward and two back, an arrangement that has obvious advantages for birds that spend much of their time on tree trunks. An exception are a few [[species]] of three-toed woodpeckers. The [[jacamar]]s aside, Piciformes do not have [[down feather]]s at any age, only true feathers. They range in size from the [[rufous piculet]] at 8 centimetres in length, and weighing 7&nbsp;grams, to the [[toco toucan]], at 63 centimetres long, and weighing 680&nbsp;grams.<ref name=EoB>{{cite book |editor=Forshaw, Joseph|author=Short, Lester L.|year=1991|title=Encyclopaedia of Animals: Birds|publisher=Merehurst Press|location=London|pages=152–157|isbn=1-85391-186-0}}</ref> All nest in cavities (holes) and have [[altricial]] young, meaning they have to look after their