Scarlet-rumped Tanager illustration
Birdsong field guide

Scarlet-rumped Tanager

Ramphocelus passerinii

A striking Neotropical songbird characterized by the intense contrast between the male's velvety black plumage and its brilliant, glowing scarlet lower back.

What it sounds like

A repetitive, scratchy series of rhythmic chirps and a sharp, nasal 'wheet' or 'chack' note.

Reference call, compare with what you heard
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Rec. Scott Olmstead · Costa RicaCC BY-NC-SAXeno-canto

Field notes

  • Displays extreme sexual dimorphism: males are jet black and red, while females are olive-brown with an ochre-colored rump.
  • Previously grouped with the Pacific-slope Cherrie's Tanager; the two are now recognized as distinct species based on mitochondrial DNA.
  • Commonly follows army ant swarms to snatch insects and spiders flushed out by the moving colony.
  • The brilliant red rump of the male is used in 'rump-display' posturing to signal dominance or attract mates.
  • Constructs a cup-shaped nest from plant fibers and leaves, usually hidden within dense shrubbery low to the ground.
Habitat
Humid lowland edges, second-growth forests, semi-open shrublands, and rural gardens.
Range
Caribbean slope of Central America, ranging from southern Mexico to western Panama.

Similar & commonly confused birds

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