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European Roller

European Roller

Overview
The European Roller, Coracias garrulus, is the only member of the roller
Roller
The rollers are an Old World family, Coraciidae, of near passerine birds related to the kingfishers and bee-eaters. The group gets its name from the aerial acrobatics some of these birds perform during courtship or territorial flights....

 family of bird
Bird
Birds are winged, bipedal, endothermic , vertebrate animals that lay eggs. There are around 10,000 living species, making them the most numerous tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Birds range in size from the Bee Hummingbird to the ...

s to breed in 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 water divide of the Ural Mountains, the Ural River, the Caspian Sea, the Caucasus Mountains , and the Black Sea to the southeast...

. Its overall range extends into the Middle East and Central Asia
Central Asia
Asia is a region of Asia from the Caspian Sea in the west to central China in the east, and from southern Russia in the north to northern India in the south. It is also sometimes known as Middle Asia or Inner Asia, and is within the scope of the wider Eurasian continent.Various definitions of its...

 and Morocco
Morocco
Morocco, officially the Kingdom of Morocco, is a country located in North Africa with a population of nearly 32 million and an area just under . Its capital is Rabat, and its largest city is Casablanca. Morocco has a coast on the Atlantic Ocean that reaches past the Strait of Gibraltar into the...

.

There are two subspecies: the nominate garrulus, which breeds from in north Africa from Morocco east to Tunisia, southwest and south-central Europe and Asia Minor east through northwest Iran to southwest Siberia; and semenowi, which breeds in Iraq and Iran (except northwest) east to Kashmir and north to Turkmenistan, south Kazakhstan and northwest China (west Xinjiang
Xinjiang
Xinjiang is an autonomous region of the People's Republic of China and also claimed by the territory of the Republic of China.-Names:Older English-language reference works often refer to the area as Chinese Turkestan, Sinkiang, East...

).
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Encyclopedia
The European Roller, Coracias garrulus, is the only member of the roller
Roller
The rollers are an Old World family, Coraciidae, of near passerine birds related to the kingfishers and bee-eaters. The group gets its name from the aerial acrobatics some of these birds perform during courtship or territorial flights....

 family of bird
Bird
Birds are winged, bipedal, endothermic , vertebrate animals that lay eggs. There are around 10,000 living species, making them the most numerous tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Birds range in size from the Bee Hummingbird to the ...

s to breed in 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 water divide of the Ural Mountains, the Ural River, the Caspian Sea, the Caucasus Mountains , and the Black Sea to the southeast...

. Its overall range extends into the Middle East and Central Asia
Central Asia
Asia is a region of Asia from the Caspian Sea in the west to central China in the east, and from southern Russia in the north to northern India in the south. It is also sometimes known as Middle Asia or Inner Asia, and is within the scope of the wider Eurasian continent.Various definitions of its...

 and Morocco
Morocco
Morocco, officially the Kingdom of Morocco, is a country located in North Africa with a population of nearly 32 million and an area just under . Its capital is Rabat, and its largest city is Casablanca. Morocco has a coast on the Atlantic Ocean that reaches past the Strait of Gibraltar into the...

.

There are two subspecies: the nominate garrulus, which breeds from in north Africa from Morocco east to Tunisia, southwest and south-central Europe and Asia Minor east through northwest Iran to southwest Siberia; and semenowi, which breeds in Iraq and Iran (except northwest) east to Kashmir and north to Turkmenistan, south Kazakhstan and northwest China (west Xinjiang
Xinjiang
Xinjiang is an autonomous region of the People's Republic of China and also claimed by the territory of the Republic of China.-Names:Older English-language reference works often refer to the area as Chinese Turkestan, Sinkiang, East...

). The European Roller is a long-distance migrant
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. These however are usually irregular or in only one direction and are termed variously as nomadism, invasions,...

, wintering in southern Africa in two distinct regions, from Senegal east to Cameroon and from Ethiopia west to Congo and south to South Africa.

It is a bird of warm, dry, open country with scattered trees, preferring lowland open countryside with patches of oak Quercus forest, mature pine
Pine
Pines are coniferous trees in the genus Pinus , in the family Pinaceae. They make up the monotypic subfamily Pinoideae. There are about 115 species of pine, although different authorities accept between 105 and 125 species.-Distribution:...

 Pinus woodland with heathery clearings, orchards, mixed farmland, river valleys, and plains with scattered thorny or leafy trees. It winters primarily in dry wooded savanna and bushy plains, where it typically nests in tree holes.

The European Roller is a stocky bird, the size of a Jackdaw
Jackdaw
The Jackdaw , sometimes known as the Eurasian Jackdaw, European Jackdaw, Western Jackdaw, or formerly simply the daw, is a dark-plumaged passerine bird in the crow family. It is found across Europe, western Asia and North Africa, and four subspecies are recognised...

 at 29-32 cm in length with a 52-58 cm wingspan; it is mainly blue with an orange-brown back. Rollers often perch prominently on trees, posts or overhead wires, like giant shrike
Shrike
Shrikes are passerine birds of the family Laniidae. The family is composed of thirty one species in three genera. The family name, and that of the largest genus, Lanius, is derived from the Latin word for "butcher", and some shrikes were also known as "butcher birds" because of their feeding...

s, whilst watching for the large insect
Insect
Insects are arthropods, having a hard exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae. They are the most diverse group of animals on the planet and include more than a million species that are already described. Insects represent more than half of all...

s, small reptiles, rodents and frogs that they eat.

This species is striking in its strong direct flight, with the brilliant blue contrasting with black flight feathers. Sexes are similar, but the juvenile is a drabber version of the adult.

The display of this bird is a lapwing
Northern Lapwing
The Northern Lapwing , also known as the Peewit, Green Plover or just Lapwing, is a bird in the plover family. It is common through temperate Eurasia....

-like display, with the twists and turns that give this species its English name. It nests in an unlined tree or cliff hole, and lays up to six eggs.

The call is a harsh crow
Crow
The true crows are large passerine birds that form the genus Corvus in the family Corvidae. Ranging in size from the relatively small pigeon-sized jackdaws to the Common Raven of the Holarctic region and Thick-billed Raven of the highlands of Ethiopia, the 40 or so members of this genus occur on...

-like sound. It gives a raucous series of calls when nervous.

Some populations migrate to Africa through India. A collision with an aircraft over the Arabian Sea has been recorded.

The European Roller has a large global population, including an estimated 100,000-220,000 individuals in Europe. However, following a moderate decline during 1970-1990, the species has continued to decline especially in Europe, with overall European exceeding 30% in three generations (15 years). In Estonia
Estonia
Estonia , officially the Republic of Estonia , is a country in Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by the Russian Federation...

 the 50-100 pairs in 1998 have reduced to no known breeding pairs in 2004; in Latvia
Latvia
Latvia , officially the Republic of Latvia is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , and to the southeast by Belarus . Across the Baltic Sea to the west lies Sweden...

 and Lithuania
Lithuania
Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the southernmost of the three Baltic states. Situated along the southeastern shore of the Baltic Sea, it shares borders with Latvia to the north, Belarus to the southeast, Poland, and the Russian exclave of...

 populations have decreased from several thousand of pairs in the 1970s to under 30 pairs in 2004. In Russia
Russia
Russia , officially known as both Russia and the Russian Federation , is a country in northern Eurasia . It is a semi-presidential republic, comprising 83 federal subjects...

 it has disappeared from the northern part of its range. However, there is no evidence of any declines in Central Asia.

The declines in the European population has resulted in its Red List status being upgraded from Least Concern to Near Threatened in 2005. Threats include persecution on migration in some Mediterranean countries and hundreds, perhaps thousands, are shot for food in Oman
Oman
Oman , officially the Sultanate of Oman , is an Arab country in southwest Asia on the southeast coast of the Arabian Peninsula. It borders the United Arab Emirates on the northwest, Saudi Arabia on the west and Yemen on the southwest....

every spring. Use of pesticides reduces food availability, and the species is sensitive to changing farming and forestry practices.

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