18/08/2025
Identification & Behavior: ~11 cm (4.3 in). The male Rainbow-bearded Thornbill (Chalcostigma herrani) is mostly brownish-green with a distinctive orange cap and a narrow and elongated multi-colored gorget. The female is greenish brown with an orange cap and a rudimentary gorget. Both sexes have a dusky tail with large white tips on each feather. The bill in both sexes in black, short, and straight. It favors humid scrub and tall shrubbery. Both sexes resemble a male Rufous-capped Thornbill but are distinguished by being larger, mostly green, and having large white tips on the tail feathers.
Status: The Rainbow-bearded Thornbill is uncommon in paramo habitats on the east slope of the northern Andes. It also occurs in Co and Ec. Name in Spanish: Pico-Espina Arcoiris.
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