Rock Sparrow
Encyclopedia
The term rock sparrow can also be used to refer to the genus Petronia
Petronia
The petronias or rock sparrows are a genus, Petronia, of sparrows. Most species are found in Africa with some species ranging in Asia and even Europe.There are five species:* Yellow-spotted Petronia Petronia pyrgita...

 as whole


The Rock Sparrow, Petronia petronia, is a small passerine
Passerine
A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders: with over 5,000 identified species, it has roughly...

 bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

. This sparrow
Sparrow
The sparrows are a family of small passerine birds, Passeridae. They are also known as true sparrows, or Old World sparrows, names also used for a genus of the family, Passer...

 breeds on barren rocky hills from the Iberian peninsula
Iberian Peninsula
The Iberian Peninsula , sometimes called Iberia, is located in the extreme southwest of Europe and includes the modern-day sovereign states of Spain, Portugal and Andorra, as well as the British Overseas Territory of Gibraltar...

 and western north Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

 across southern Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 and through central Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

. It is largely resident in the west of its range, but Asian birds migrate
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...

 to more southerly areas, or move down the mountains.

It is a rare vagrant north of its breeding range. There is just a single record from Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, at Cley
Cley next the Sea
Cley next the Sea is a village on the River Glaven in Norfolk, England, 4 miles north-west of Holt and east of Blakeney. The main A149 coast road runs through the centre of the village, causing congestion in the summer months due to the tight, narrow streets. It lies within the Norfolk Coast AONB...

, Norfolk
Norfolk
Norfolk is a low-lying county in the East of England. It has borders with Lincolnshire to the west, Cambridgeshire to the west and southwest and Suffolk to the south. Its northern and eastern boundaries are the North Sea coast and to the north-west the county is bordered by The Wash. The county...

 on 14 June 1981.

This gregarious bird is also found in human settlements in suitable country. It nests in crevices in rocks or walls, laying 3–7 egg
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...

s.

This species is a large stocky sparrow, 15–17 cm in length, with a strong whitish supercilium and weaker crown stripe. It has a patterned brown back and wings, streaked underparts, and a diagnostic, but hard-to-see, yellow throat spot.

The Rock Sparrow's food is mainly seed
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

s with some insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

s. This bird has a loud wheezy song.

The phylogeny has been obtained by Antonio Arnaiz-Villena et al.

External links

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