The tooth-billed wren is a species of bird in the family Troglodytidae. It is found in Bolivia and Brazil.
Region
Western Amazon Basin
Typical Environment
Occurs in lowland tropical rainforest canopies of western Brazil (especially Amazonas, Acre, and Rondônia) and adjoining northeastern Bolivia (e.g., Pando and Beni). Prefers tall terra firme forest with a closed canopy, but also uses forest edges, light gaps, and vine tangles. Frequently forages in the upper canopy and subcanopy, often 20–35 m above ground. It may also appear along riverine forest and tall secondary growth where canopy structure is intact.
Altitude Range
0–900 m
Climate Zone
Tropical
Ease of Keeping
Beginner friendly: 1/5
A canopy specialist, the tooth-billed wren spends most of its time high above the forest floor—unusual for a wren. Its name refers to a tiny tooth-like notch along the edge of the upper bill. It often joins mixed-species flocks and is more often heard than seen, delivering thin, high-pitched trills from the treetops.
Temperament
active and furtive in the canopy
Flight Pattern
short rapid wingbeats between branches
Social Behavior
Often travels in pairs or small family groups and commonly joins mixed-species canopy flocks with tanagers and woodcreepers. Forages methodically among leaves, epiphytes, and vine tangles. Nests are placed well concealed, likely high in vegetation; pairs are presumed monogamous during the breeding season.
Migratory Pattern
Resident
Song Description
Song is a series of very thin, high-pitched trills and sibilant whistles that carry from the canopy. Calls include sharp, faint tiks and short squeaky notes, often given while moving with flocks.
