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Beastie Bot (talk | contribs) set IUCN status (LC); +IUCN reference |
m Reference -> References as there are more than one using AWB |
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| binomial_authority = ([[William Jardine (naturalist)|Jardine]], [[1830]])
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The ''' Plain Swift''' (''Apus unicolor'') is a medium-sized [[swift]]. Although this [[bird]] is superficially similar to a [[Barn Swallow]] or [[House Martin]], it is completely unrelated to those [[passerine]] species. The resemblances between the groups are due to convergent evolution reflecting similar life styles.
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Distinguishing the Plain Swift from the similarly plumaged Common Swift is much more difficult, although juvenile Common can be easily eliminated due to its white throat. The Plain is slimmer and appears longer winged than the Common, and has scaly underparts, difficult to see except with excellent views. The call is a loud dry scream similar to that of the Common Swift, though possibly higher pitched.
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* {{IUCN2006|assessors=BirdLife International|year=2004|id=48181|title=Apus unicolor|downloaded=11 May 2006}} Database entry includes justification for why this species is of least concern
* ''Swifts'' by Chantler and Driessens, ISBN 1-873403-83-6
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