Pale-winged Trumpeter

Scientific Name: Psophia leucoptera

Classification: Order: Gruiformes, Family: Psophiidae

Pale-winged Trumpeter

Brief Description

A large, ground-dwelling bird with a hunchbacked appearance, long legs, and a short tail. They are known for their loud, trumpeting calls and social behavior in large flocks.

Additional Information

  • Region of Origin: Amazon Basin, specifically central South America
  • Typical Sighting Period: Year-round (non-migratory)
  • Plumage Details: Mainly black plumage with soft velvet-like feathers on the head and neck. It is named for the conspicuous white or pale ochre patch on the lower back and wings. Sexes are similar in appearance.
  • Ecological Significance: Key seed dispersers in tropical rainforests; they forage on the forest floor and help maintain forest plant diversity.
  • Conservation Status: Near Threatened (IUCN); population is declining due to habitat loss and hunting.
  • Observation Tips: Look for them on the forest floor in undisturbed primary rainforests. They are often detected first by their loud, booming vocalizations.

Size & Weight

Length: 45-52 cm; Weight: approx 1.1-1.4 kg.

Diet

Omnivorous; primarily eats fallen fruit, but also consumes insects, spiders, and small vertebrates found in leaf litter.

Habitat

Lowland tropical rainforests and terra firme forests.

Migration

Resident; non-migratory and highly territorial.

Voice (Call & Song)

Loud, low-pitched booming or grunting sounds used for territorial defense and group cohesion.

Nesting & Breeding

Cooperatively breeding groups; they nest in tree cavities or high forks, usually laying 2-4 eggs. Multiple group members help raise the young.

Key Field Marks

Humped back, long pale legs, black body with distinct white or pale wing-coverts on the lower half of the bird.

Similar Species

Gray-winged Trumpeter (has gray back) and Green-winged Trumpeter (has dark green back). Distinguishable by the bright white/pale wing patch.

Interesting Facts

They are often kept by indigenous people as 'watch-dogs' because they are highly territorial and give loud alarm calls when predators or strangers approach.