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Andorinhão pálido. Apus pallidus. Pallid swift


PALLID SWIFT
Apus pallidus

Description

A bird with sickle-shaped wings, resembling a large swallow, and observed almost always in flight. Although easily distinguishable from swallows and martins, the Pallid Swift can easily be confused with the Common Swift in poor light conditions, which often leads to the misidentification of the birds. The rounded wingtip, the scaly belly, the sharp contrast between primaries and secondaries, the brownish "café au lait" plumage and the evident white throat patch are the main characteristics that distinguish the Pallid Swift from the Common Swift. The subtle differences between juvenile and adult plumages make it difficult to assign ages to individuals in flight. This species has no sexual dimorphism.

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Subspecies

There are three subspecies of Pallid Swift, with the subspecies Apus pallidus brehmorum occurring in Portugal.

Scientific Name Transcription

The term 'Apus' results from the junction of two Greek words A+Pous, which mean 'without+feet'. The specific epithet 'pallidus' is Latin and means 'pale'.

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42 to 46 cm

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39 to 44 g

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19 YEARS

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MAR | OCT

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1 to 2 CLUTCHES

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2 to 3 EGGS

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Distribution

Summer species in the Mediterranean basin, Madeira, Canary Islands and Arabian Peninsula; wintering species in southern western Africa and central Africa; and resident species in Niger, Chad and Egypt. In Portugal, it occurs from March to October and its distribution area, increasingly better known , extends throughout the territory, being also present in Madeira.

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Conservation

For the moment there is no evidence that the Pallid Swift populations are decreasing and therefore it maintains, both in Portugal and internationally, the status of Least Concern (LC).

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Common Swift

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Plain Swift

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