Common Waxbill

Estrilda astrild

Tiny finch with short wings, a red bill, and a long tail. The body is largely gray with subtle dark bars, a prominent red mask and a dark vent. Bill is dark in juveniles. Normally encountered in noisy flocks in grassy and reedy areas; listen for distinctive descending wheezy calls. Often found in urban areas outside of its natural African range; introduced widely across the world, including the Iberian Peninsula, Taiwan, Puerto Rico, Brazil, and various Indian and Pacific Ocean islands.

Identification

It is a small bird, 4 to 5 inches in length with a wingspan of .mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}4+1⁄2 inches and a weight of 3/5 to 3/4 ounce. It has a slender body with short rounded wings and a long graduated tail. The bright red bill of the adult is the colour of sealing wax giving the bird its name. The plumage is mostly grey-brown, finely barred with dark brown. There is a red stripe through the eye and the cheeks and throat are whitish. There is often a pinkish flush to the underparts and a reddish stripe along the centre of the belly depending on the subspecies. The rump is brown and the tail and vent are dark. Females are similar to the males but are paler with less red on the belly. Juveniles are duller with little or no red on the belly, fainter dark barring and a black bill.<p>Similar species include the black-rumped, crimson-rumped and black-lored waxbills. The black-rumped waxbill is black rather than brown on the rump and has a pale vent (area underneath the tail). The crimson-rumped waxbill has a dark bill, red rump and some red on the wings and tail. The black-lored waxbill (found only in the Democratic Republic of Congo) has a black rather than red stripe through the eye.<p>The common waxbill has a variety of twittering and buzzing calls and a distinctive high-pitched flight-call. The simple song is harsh and nasal and descends on the last note.

Taxonomy

The common waxbill was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Loxia astrild. The etymology of astrild is uncertain. It may either be from a German or Dutch avicultural term for a waxbill or alternatively it may be a misprint for Estrilda. Linnaeus based his description on the "Wax Bill" that had been described and illustrated in 1751 by the English naturalist George Edwards in his A Natural History of Uncommon Birds. Linnaeus specified the locality as "Canaries, America, Africa" but this was restricted to Cape Town in South Africa by William Lutley Sclater and Cyril Mackworth-Praed in 1918. This species is now placed in the genus Estrilda that was introduced in 1827 by the English naturalist William John Swainson.<p>There are 15 recognised subspecies:

Scientific name
Estrilda astrild
Authority
(Linnaeus, 1758)
Order
Passeriformes
Family
Estrildidae
Genus
Estrilda

Range and habitat

There are about 17 subspecies distributed widely across much of Africa south of the Sahara. They are present in most parts of East, Central and Southern Africa except for regions of desert or dense forest. In West Africa they are more local with the main population centred on Sierra Leone, Liberia and the Ivory Coast. Common waxbills inhabit open country with long grass and rank vegetation. They are often found near water in marshes and among reeds. They can be tame and will enter gardens, parks and farmland.<p>Birds have often escaped from captivity or been deliberately released. Breeding populations have become established in many places where the climate is sufficiently warm and where there is a sufficient supply of grass seeds. They are now found on many islands around Africa: Saint Helena, Ascension Island, the Cape Verde Islands, São Tomé and Príncipe, Mauritius, Réunion, Rodrigues, the Seychelles and Ile Amsterdam. They may possibly be native on some of these islands. In Europe the common waxbill has become widespread in Portugal and is spreading through Spain. There are small populations on Madeira and Gran Canaria and it has recently appeared on Tenerife and the Azores. In the Americas waxbills are found in Trinidad, several parts of Brazil and there are a few on Bermuda. In the Pacific there are populations on New Caledonia, Efate Island in Vanuatu, Tahiti and the Hawaiian Islands. In Spain it has been introduced in the largest cities in the last ten years and is now quite commonly seen in Madrid, Barcelona and Valencia, as well as along the Spanish-Portuguese border.

Migration
Resident species

Behavior

Migration pattern: Resident species.

Conservation

Population trend: stable.

Population trend
stable

Photos

Distribution

Bird Calls

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