The Collaborative International Dictionary of English v.0.48:

Contopus \Contopus\ n.
   a genus of birds comprised of pewees, and including the wood
   pewees Contopus sordidulus and Contopus virens.

   Syn: genus Contopus.
        [WordNet 1.5] Contorniate

WordNet (r) 3.0 (2006):

Contopus
    n 1: pewees [syn: Contopus, genus Contopus]