This valley is the only location of Russet-crowned Motmot (Momotus mexicanus) in Central America.    From Wordnik.com.  [Motagua Valley thornscrub] Reference

I saw one of the large olive-green and brown mot-mots (Momotus martii), sitting upon a branch of a tree, moving its long curious tail from side to side, until it was nearly at right angles to its body.    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Of the mot-mots, I met with four species in the forest, all more or less olive green in colour (Momotus martii and lessoni, and.    From Wordnik.com.  [The Naturalist in Nicaragua] Reference