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GALLERIES > BIRDS > APODIFORMES > APODIDAE > COMMON SWIFT [Apus apus]


Common Swift Image @ Kiwifoto.com
 
 
Location: Formentera Island, Ibiza, Balearic Islands, Spain
GPS: 38.6N, 1.4E, elev=225' MAP
Date: June 14, 2015
ID : B13K9018 [4896 x 3264]

bird photography

Common Swift Photo @ Kiwifoto.com
 
 
Location: Formentera Island, Ibiza, Balearic Islands, Spain
GPS: 38.6N, 1.4E, elev=225' MAP
Date: June 14, 2015
ID : B13K9010 [4896 x 3264]

bird photography

SPECIES INFO

Young bird, not yet able to fly

The Common Swift (Apus apus) is a small bird, superficially similar to the barn swallow or house martin. It is, however, completely unrelated to those passerine species, since swifts are in the separate order Apodiformes. The resemblances between the groups are due to convergent evolution reflecting similar life styles.

The scientific name comes from the Greek ?????, apous, meaning "without feet". These birds have very short legs which they use only for clinging to vertical surfaces (hence the German name Mauersegler, literally meaning "wall-glider"). They never settle voluntarily on the ground.

Like swallows, Common Swifts are migratory, and in midsummer they are found in Great Britain and northern Europe, while they winter much further south in southern Africa.

Swifts will occasionally live in forests, but they have adapted more commonly to human sites and will build their nests in all suitable hollows in buildings, under window sills, in the corner rafters of wooden buildings, in chimneys, and in smokestacks. A swift will return to the same nesting site year after year, rebuilding its nest when necessary.

Young swifts in the nest can drop their body temperature and become torpid if bad weather prevents their parents from catching insects nearby.

Swifts spend most of their lives in the air, living on the insects they catch in their beaks. They drink, feed, and often mate and sleep on the wing .

Common Swifts are 16-17 cm long with a wingspan of 38-40cm and entirely blackish-brown except for a small white or pale grey patch on their chins which is not visible from a distance. They have a short forked tail and very long swept-back wings that resemble a crescent or a boomerang.

The call is a loud scream in two different tone pitches, of which the higher one is from the female and the lower one from the male.

They often form 'screaming parties' during summer evenings where about 10-15 gather and fly around in circles, all calling out to each other.

The predecessor of the Central European subspecies which lived during the last ice age has been described as Apus apus palapus.

Young bird

Wikimedia Commons has media related to: Apus apus

In heraldry

The heraldic bird known as the "martlet", which is represented without feet, may have been based on the swift, but is generally assumed to refer to the house martin; it was used for the arms of younger sons, perhaps because it symbolized their landless wandering.





                                     




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common_swift's Range Map Click here to see the Common Swift's range map!
Listen to the Common Swift Call:



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