The motmots or Momotidae are a family of birds in the near passerine order Coraciiformes, which also includes the kingfishers, bee-eaters and rollers. All extant motmots are restricted to woodland or forest in the Neotropics, and the largest diversity is in Middle America. They have a colourful plumage and a relatively heavy bill. All except the Tody Motmot have relatively long tails that in some species have a distinctive racket-like tip.
The Coraciiformes are a group of usually colorful near passerine birds including the kingfishers, the Hoopoe, the bee-eaters, the rollers, and the hornbills. They generally have syndactyly, with three forward-pointing toes (and toes 3 & 4 fused at their base), though in many kingfishers one of these is missing.
This is largely an Old World order, with the representation in the New World limited to the dozen or so species of todies and motmots, and a mere handful of the more than 90 species of kingfishers. This is the most diverse bird order in body weight, ranging from the 5.5 gram Puerto Rican Tody (Todus mexicanus) to the 4.5 kg Southern Ground Hornbill (Bucorvus leadbeateri), if the hornbills indeed belong under this classification.
The name Coraciiformes means "Raven-like", which is a misnomer (ravens are passerines). Specifically, it comes from the Latin language "Corax", meaning "Raven" and Latin "Forma", meaning "form", which is the standard ending for bird orders. [Terres p 104]