Any of a number of birds with pointed feather tips projecting beyond the tail.
针尾雨燕；针尾雀
a small tropical American ovenbird (Synallaxis and other genera, family Furnariidae).
(also 'spine-tailed swift') a mainly African and Asian swift (several genera in the family Apodidae).See also needletail
Example sentencesExamples
Monkey Bay and Salima are the best areas to spot the African Fish Eagle, golden and brown throated weavers, collared and mottled spinetails and the palm swift.
The fastest of all is the spine-tailed swift, which lives Asia and can fly at 170 km/hr.
Such a diverse range of scenery supports a very rich and diverse wildlife, from storks to spinetails, parakeets to plantcutters.
Measured in straight flight, the spine-tailed swift is the fastest bird.
There is also a well-known breeding place (which is shared with the spine-tailed swift, Cluzetura caudacuta) behind the Kegon waterfall, near Nikko, Japan.
The jacket says ‘several plates have been revised by the artist’ but I found only one change: a new Plate 10 for African spinetails.
That's quadruple the air time of the usual free fall and almost twice the speed of the world's fastest bird, the spine-tailed swift.
There are two subfamilies of swifts: 13 species of Cypseloidinae (primitive American swifts) and 79 species of Apodinae (swiftlets, spinetails and typical swifts).
Many furnarids are hard to see, and harder still to photograph, including numerous spinetails, canasteros, reedhaunters, and treerunners.
We came across a pair of agitated crested spinetails and a very active grey-throated leaftosser.
The extent of threat from the spine-tailed swift is uncertain due to lack of information about chemicals used in agriculture in the countries travelled through by the swift whilst migrating.
The fastest bird is the spine-tailed swift, which can fly at a top speed of 170 kilometers an hour!