MicrobatesMicrobates is a bird genus in the family Polioptilidae. Its name means "small creeper" or "walker".BehaviorFeedingThey usually prey upon small arthropods. Some species regularly and some often join mixed-species [foraging flock]s.VocalizationMicrobates's song is a "a series of soft, thin notes, peeee or eeeeea" or "a series of soft, clear, plaintive notes, teeeeea or teeeéuw"SpeciesIt contains the following species: Tawny-faced gnatwren Collared gnatwren