Any of a number of birds with pointed feather tips projecting beyond the tail:
- (also spine-tailed swift) A mainly African and Asian swift (several genera in the family Apodidae). See also needletail A small tropical American ovenbird (Synallaxis and other genera, family Furnariidae).
- There are two subfamilies of swifts: 13 species of Cypseloidinae (primitive American swifts) and 79 species of Apodinae (swiftlets, spinetails and typical swifts).
- The jacket says ‘several plates have been revised by the artist’ but I found only one change: a new Plate 10 for African spinetails.
- We came across a pair of agitated crested spinetails and a very active grey-throated leaftosser.
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