HBW 5, p. 458
- Small to large branch-perching swifts, partly glossy, with long wingtips that fold scissor-like across deeply forked tail; two species with erectile forehead-crest, others with facial plumes.
- Oriental Region E to Solomon Is.
- Deciduous savanna woodland to evergreen rainforest.
- 1 genus, 4 species, 13 taxa.
- No species threatened; none extinct since 1600.
List of species:
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