Rio de Janeiro Antbird
NameRio de Janeiro Antbird
Common NameRio de Janeiro Antbird
Scientific NameMyrmotherula fluminensis
FamilyThamnophilidae
Wingspan (cm)15
Length (cm)9.5
Weight (g)8
Plumage DetailsMales are uniformly dark grey with a slightly paler belly and a small white patch on the back, often concealed. Females are similar but slightly paler grey overall, sometimes with a faint buff wash on the flanks. Both sexes exhibit small white tips on the outer tail feathers.
Vocalization / CallIts song is a distinctive series of high-pitched, accelerating notes, often described as a 'tsee-tsee-tsee-tsee-tsee-tsee-tseet'.
Primary Dietinsectivore
Primary Habitatsforest
Conservation Statuscritically-endangered
Geographic RangeEndemic to a very small and highly fragmented area within the state of Rio de Janeiro, southeastern Brazil, primarily in remnants of lowland Atlantic Forest.
Identifying Featuressmall size, drab grey plumage, white tips on outer tail feathers, found in dense forest understory, distinctive accelerating song
Description
This small, drab grey antbird is an elusive inhabitant of the dense understory in lowland Atlantic Forest. It typically forages for insects among tangled vegetation, often moving stealthily within mixed-species flocks. Its cryptic plumage helps it blend into its shaded forest environment.
