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Alcedo atthis (*)

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Cladus: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Euornithes
Cladus: Ornithuromorpha
Cladus: Ornithurae
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Ordo: Coraciiformes

Familia: Alcedinidae
Subfamilia: Alcedininae
Genus: Alcedo
Species: Alcedo atthis
Subspecies: A. a. atthis – A. a. bengalensis – A. a. floresiana – A. a. hispidoides – A. a. ispida – A. a. salomonensis – A. a. taprobana

Alcedo atthis (Linnaeus, 1758)

Gracula atthis Linnaeus, 1758 (protonym)


Linnaeus, C. 1758. Systema Naturae per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Tomus I. Editio decima, reformata. Holmiæ: impensis direct. Laurentii Salvii. i–ii, 1–824 pp DOI: 10.5962/bhl.title.542: 109. Reference page.
IUCN: Alcedo atthis (Linnaeus, 1758) (Least Concern)

Vernacular names
Afrikaans: Europese visvanger
Alemannisch: Eisvogel
aragonés: Martinet pescataire
العربية: السّماك الاعتيادي
asturianu: Verderríos
azərbaycanca: Adi balıqçıl
башҡортса: Балыҡсы турғай
беларуская: Зімародак
български: Земеродно рибарче
brezhoneg: Diredig boutin
català: Blauet
Cebuano: Uwak-bata
нохчийн: Selast
kaszëbsczi: Lodôk
čeština: Ledňáček říční
чӑвашла: Сенкер пулăç кайăк
Cymraeg: Glas y dorlan
dansk: Isfugl
Deutsch: Eisvogel
Ελληνικά: Αλκυόνα
English: Common Kingfisher
Esperanto: Rivera alciono
español: Martín Pescador Común
eesti: Lõuna-jäälind
euskara: Martin arrantzale
estremeñu: Picapeci
فارسی: ماهی‌خورک
suomi: Kuningaskalastaja
føroyskt: Ísfuglur
français: Martin-pêcheur d'Europe
Frysk: Iisfûgel
Gaeilge: Cruidín
Gàidhlig: Biorra cruidein
galego: Picapeixe
Gaelg: Eeasteyr beg ny hawin
עברית: שלדג גמדי
हिन्दी: कौड़िल्ली
hrvatski: Vodomar
magyar: Jégmadár
հայերեն: Երկնագույն Ալկիոն
Bahasa Indonesia: Raja-udang erasia
Ido: Martin-peskero
íslenska: Bláþyrill
italiano: Martin pescatore
日本語: カワセミ
ქართული: ალკუნი
қазақша: Зымыран
한국어: 물총새
kurdî: Masîxwerê koçoç ê kesk
kernowek: Pyscajor an Myghtern
Latina: Alcedo
Lëtzebuergesch: Äisvull
Limburgs: IJsvogel
lietuvių: Tulžys
latviešu: Zivju dzenītis
македонски: Рибарче
മലയാളം: ചെറിയ മീൻകൊത്തി
монгол: Нохой шогшир
Bahasa Melayu: Raja Udang
Malti: Għasfur ta' San Martin
Nedersaksies: Iesvoggel
Plattdüütsch: Iesvagel
Nederlands: IJsvogel
norsk nynorsk: Isfugl
norsk: Isfugl
polski: zimorodek zwyczajny
Piemontèis: Martin pëscheur
português: Guarda-rios-comum
rumantsch: Pestgaderin
română: Pescăruș albastru
русский: Зимородок
Scots: Kingfisher
sardu: Aciufa aciufa
srpskohrvatski / српскохрватски: Vodomar
slovenčina: Rybárik riečny
slovenščina: Vodomec
shqip: Bilbil uji
српски / srpski: Vodomar / Водомар
Seeltersk: Iesfuugel
svenska: Kungsfiskare
Kiswahili: Mdiria wa Ulaya
தமிழ்: மீன்கொத்தி
ไทย: นกกระเต็นน้อยธรรมดา
Türkmençe: Zaply
Türkçe: Yalıçapkını
українська: Рибалочка
vèneto: Pionbin
Tiếng Việt: Bồng chanh
West-Vlams: Ysveugel
Zeêuws: Iesveugel
粵語: 普通翠鳥
中文: 普通翠鸟

The common kingfisher (Alcedo atthis), also known as the Eurasian kingfisher and river kingfisher, is a small kingfisher with seven subspecies recognized within its wide distribution across Eurasia and North Africa. It is resident in much of its range, but migrates from areas where rivers freeze in winter.

This sparrow-sized bird has the typical short-tailed, large-headed kingfisher profile; it has blue upperparts, orange underparts and a long bill. It feeds mainly on fish, caught by diving, and has special visual adaptations to enable it to see prey under water. The glossy white eggs are laid in a nest at the end of a burrow in a riverbank.


The common kingfisher was first described by Carl Linnaeus in the 10th edition of his Systema Naturae in 1758 as Gracula atthis.[2][3][4] The modern binomial name derives from the Latin alcedo, 'kingfisher' (from Greek ἀλκυών, halcyon), and Atthis, a beautiful young woman of Lesbos, and favourite of Sappho.[5]

The genus Alcedo comprises seven small kingfishers that all eat fish as part of their diet. The common kingfisher's closest relative is the cerulean kingfisher that has white underparts and is found in parts of Indonesia.[6][7]

This species has the typical short-tailed, dumpy-bodied, large-headed, and long-billed kingfisher shape. The adult male of the western European subspecies, A. a. ispida has green-blue upperparts with pale azure-blue back and rump, a rufous patch by the bill base, and a rufous ear-patch. It has a green-blue neck stripe, white neck blaze and throat, rufous underparts, and a black bill with some red at the base. The legs and feet are bright red.[7] It is about 16 centimetres (6+1⁄2 in) long with a wingspan of 25 cm (10 in),[7] and weighs 34–46 grams (1+3⁄16–1+5⁄8 oz).[8] The female is identical in appearance to the male except that her lower mandible is orange-red with a black tip. The juvenile is similar to the adult, but with duller and greener upperparts and paler underparts. Its bill is black, and the legs are also initially black.[7] Feathers are moulted gradually between July and November with the main flight feathers taking 90–100 days to moult and regrow. Some that moult late may suspend their moult during cold winter weather.

The flight of the kingfisher is fast, direct and usually low over water. The short, rounded wings whirr rapidly, and a bird flying away shows an electric-blue "flash" down its back.[8]

In North Africa, Europe and Asia north of the Himalayas, this is the only small blue kingfisher. In south and southeast Asia, it can be confused with six other small blue-and-rufous kingfishers, but the rufous ear patches distinguish it from all but juvenile blue-eared kingfishers; details of the head pattern may be necessary to differentiate the two species where both occur.[7]

The common kingfisher has no song. The flight call is a short, sharp whistle chee repeated two or three times. Anxious birds emit a harsh, shrit-it-it and nestlings call for food with a churring noise.[7]
Geographical variation

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There are seven subspecies differing in the hue of the upperparts and the intensity of the rufous colour of the underparts; size varies across the subspecies by up to 10%. The races resident south of the Wallace Line have the bluest upperparts and partly blue ear-patches.[7][9]

A. a. ispida Linnaeus, 1758. Breeds from Ireland, Spain and southern Norway to Romania and western Russia and winters south to Iraq and southern Portugal.
A. a. atthis. Breeds from northwestern Africa and southern Italy east to Afghanistan, Kashmir region, northern Xinjiang, and Siberia; it is a winter visitor south to Israel,[10] northeastern Sudan, Yemen, Oman and Pakistan. Compared to A. a. ispida, it has a greener crown, paler underparts and is slightly larger.
A. a. bengalensis Gmelin, 1788. Breeds in southern and eastern Asia from India to Indonesia, China, Korea, Japan and eastern Mongolia; winters south to Indonesia and the Philippines. It is smaller and brighter than the European races.
A. a. taprobana Kleinschmidt, 1894. Resident breeder in Sri Lanka and southern India. Its upperparts are bright blue, not green-blue; it is the same size as A. a. bengalensis.
A. a. floresiana Sharpe, 1892. Resident breeder from Bali to Timor. Like A. a. taprobana, but the blues are darker and the ear-patch is rufous with a few blue feathers.
A. a. hispidoides Lesson, 1837. Resident breeder from Sulawesi to New Guinea and the islands of the western Pacific Ocean. Plumage colours are deeper than in A. a. floresiana, the blue on the hind neck and rump is purple-tinged and the ear-patch is blue.
A. a. solomonensis Rothschild and Hartert, 1905. Resident breeder in the Solomon Islands east to San Cristobal. The largest southeast Asian subspecies, it has a blue ear-patch and is more purple-tinged than A. a. hispidoides, with which it interbreeds.

Habitat and distribution

The common kingfisher is widely distributed over Europe, Asia, and North Africa, mainly south of 60°N. It is a common breeding species over much of its vast Eurasian range, but in North Africa it is mainly a winter visitor, although it is a scarce breeding resident in coastal Morocco and Tunisia. In temperate regions, this kingfisher inhabits clear, slow-flowing streams and rivers, and lakes with well-vegetated banks. It frequents scrubs and bushes with overhanging branches close to shallow open water in which it hunts. In winter it is more coastal, often feeding in estuaries or harbours and along rocky seashores. Tropical populations are found by slow-flowing rivers, in mangrove creeks and in swamps.[7]

Common kingfishers are important members of ecosystems and good indicators of freshwater community health. The highest densities of breeding birds are found in habitats with clear water, which permits optimal prey visibility, and trees or shrubs on the banks. These habitats have also the highest quality of water, so the presence of this bird confirms the standard of the water.[11] Measures to improve water flow can disrupt this habitat, and in particular, the replacement of natural banks by artificial confinement greatly reduces the populations of fish, amphibians and aquatic reptiles, and waterside birds are lost.[12] It can tolerate a certain degree of urbanisation, provided the water remains clean.

This species is resident in areas where the climate is mild year-round, but must migrate after breeding from regions with prolonged freezing conditions in winter. Most birds winter within the southern parts of the breeding range, but smaller numbers cross the Mediterranean into Africa or travel over the mountains of Malaysia into Southeast Asia. Kingfishers migrate mainly at night, and some Siberian breeders must travel at least 3,000 km (1,900 mi) between the breeding sites and the wintering areas.[7]
Volunteers create a vertical bank in which common kingfishers have subsequently nested annually
Eggs of Alcedo atthis, MHNT

Like all kingfishers, the common kingfisher is highly territorial; since it must eat around 60% of its body weight each day, it is essential to have control of a suitable stretch of river. It is solitary for most of the year, roosting alone in heavy cover. If another kingfisher enters its territory, both birds display from perches, and fights may occur, in which a bird will grab the other's beak and try to hold it underwater. Pairs form in the autumn but each bird retains a separate territory, generally at least 1 km (1⁄2 mi) long, but up to 3.5 km (2+1⁄4 mi) and territories are not merged until the spring.[7]

The courtship is initiated by the male chasing the female while calling continually, and later by ritual feeding, with copulation usually following.[8]

The nest is in a burrow excavated by both birds of the pair in a low vertical riverbank, or sometimes a quarry or other cutting. The straight, gently inclining burrow is normally 60–90 cm (25–35 in) long and ends in an enlarged chamber.[8] The nest cavity is unlined but soon accumulates a litter of fish remains and cast pellets.[13]

The common kingfisher typically lays two to ten glossy white eggs, which average 1.9 cm (3⁄4 in) in breadth, 2.2 cm (7⁄8 in) in length, and weigh about 4.3 g (5⁄32 oz), of which 5% is shell.[5] One or two eggs in most clutches fail to hatch because the parent cannot cover them. Both sexes incubate by day, but only the female incubates at night. An incubating bird sits trance-like, facing the tunnel; it invariably casts a pellet, breaking it up with the bill. The eggs hatch in 19–20 days, and the altricial young are in the nest for a further 24–25 days, often more.[7] Once large enough, young birds will come to the burrow entrance to be fed.[13] Two broods, sometimes three, may be reared in a season.[8]

The early days for fledged juveniles are more hazardous; during its first dives into the water, about four days after leaving the nest, a fledgling may become waterlogged and drown.[7] Many young will not have learned to fish by the time they are driven out of their parents' territory, and only about half survive more than a week or two. Most kingfishers die of cold or lack of food, and a severe winter can kill a high percentage of the birds. Summer floods can destroy nests or make fishing difficult, resulting in starvation of the brood. Only a quarter of the young survive to breed the following year, but this is enough to maintain the population. Likewise, only a quarter of adult birds survive from one breeding season to the next. Very few birds live longer than one breeding season.[14] The oldest bird on record was 21 years.[15]

Other causes of death are cats, rats, collisions with vehicles and windows, and human disturbance of nesting birds, including riverbank works with heavy machinery. Since kingfishers are high up in the food chain, they are vulnerable to build-up of chemicals, and river pollution by industrial and agricultural products excludes the birds from many stretches of otherwise suitable rivers that would be habitats.[14]

This species was killed in Victorian times for stuffing and display in glass cases and use in hat making. English naturalist William Yarrell also reported the country practice of killing a kingfisher and hanging it from a thread in the belief that it would swing to predict the direction in which the wind would blow.[16] Persecution by anglers and to provide feathers for fishing flies were common in earlier decades,[13] but are now largely a thing of the past.[14]
Pellet of a common kingfisher

The common kingfisher hunts from a perch 1–2 m (3–7 ft) above the water, on a branch, post or riverbank, bill pointing down as it searches for prey. It bobs its head when food is detected to gauge the distance and plunges steeply down to seize its prey usually no deeper than 25 cm (10 in) below the surface. The wings are opened underwater and the open eyes are protected by the transparent third eyelid. The bird rises beak-first from the surface and flies back to its perch. At the perch the fish is adjusted until it is held near its tail and beaten against the perch several times. Once dead, the fish is positioned lengthways and swallowed head-first. A few times each day, a small greyish pellet of fish bones and other indigestible remains is regurgitated.[7]

The food is mainly fish up to 12.5 cm (5 in) long, but the average size is 2.3 cm (7⁄8 in).[7] In Central Europe, 97% of the diet was found to be composed of fish ranging in size from 2 to 10 cm with an average of 6.5 cm (body mass range from <0.1 g to >10 g, average 3 g).[17][18] Minnows, sticklebacks, small roach and trout are typical prey. About 60% of food items are fish, but this kingfisher also catches aquatic insects such as dragonfly larvae and water beetles, and, in winter, crustaceans including freshwater shrimps.[7] In Central Europe, however, fish represented 99.9% of the diet (data from rivers, streams, and reservoirs from years 1999 to 2013).[17] Common kingfishers have also been observed to catch lamprey.[19] One study found that food provisioning rate increased with brood size, from 1498 g (505 fishes for four nestlings) to 2968 g (894 fishes for eight nestlings). During the fledging period each chick consumed on average 334 g of fish, which resulted in an estimated daily food intake of 37% of the chick's body mass (average over the entire nestling period). The average daily energy intake was 73.5 kJ per chick (i.e., 1837 kJ per 25 days of the fledging period).[20]

A challenge for any diving bird is the change in refraction between air and water. The eyes of many birds have two foveae (the fovea is the area of the retina with the greatest density of light receptors),[21] and a kingfisher can switch from the main central fovea to the auxiliary fovea when it enters water; a retinal streak of high receptor density which connects the two foveae allows the image to swing temporally as the bird drops onto the prey.[22] The egg-shaped lens of the eye points towards the auxiliary fovea, enabling the bird to maintain visual acuity underwater.[21] Because of the positions of the foveae, the kingfisher has monocular vision in air, and binocular vision in water. The underwater vision is not as a sharp as in air, but the ability to judge the distance of moving prey is more important than the sharpness of the image.[22]

Each cone cell of a bird's retina contains an oil droplet that may contain carotenoid pigments. These droplets enhance color vision and reduce glare. Aquatic kingfishers have high numbers of red pigments in their oil droplets; the reason red droplets predominate is not understood, but the droplets may help with the glare or the dispersion of light from particulate matter in the water.[22]

This species has a large range, with an estimated global extent of occurrence of 10 million square kilometres (3.8 million square miles). It has a large population, including an estimated 160,000–320,000 individuals in Europe alone. Global population trends have not been quantified, but populations appear to be stable so the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e., declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as "least concern".[23][5]


BirdLife International (2016). "Alcedo atthis". IUCN Red List of Threatened Species. 2016: e.T22683027A89575948. doi:10.2305/IUCN.UK.2016-3.RLTS.T22683027A89575948.en. Retrieved 19 November 2021.
Linnaeus, C (1758). Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata (in Latin). Holmiae. (Laurentii Salvii). p. 109.
Note: What is now the subspecies A. a. ispida is described on p. 115 as Alcedo ispida.
Peters, James Lee, ed. (1945). Check-list of Birds of the World. Vol. 5. Cambridge, Massachusetts: Harvard University Press. p. 171.
"Kingfisher Alcedo atthis (Linnaeus, 1758)". Bird facts. British Trust for Ornithology. Retrieved 21 August 2008.
Moyle, R.G.; Fuchs, J.; Pasquet, E.; Marks, B.D. (2007). "Feeding behavior, toe count, and the phylogenetic relationships among alcedinine kingfishers (Alcedininae)". Journal of Avian Biology. 38 (3): 317–326. doi:10.1111/J.2007.0908-8857.03921.x.
Fry, C. Hilary; Fry, Kathie; Harris, Alan (1999). Kingfishers, Bee-eaters and Rollers. London: Christopher Helm. pp. 219–221. ISBN 978-0-7136-5206-2.
Snow, David; Perrins, Christopher M., eds. (1998). The Birds of the Western Palearctic (BWP) concise edition (2 volumes). Oxford: Oxford University Press. ISBN 978-0-19-854099-1.
Gill, Frank; Donsker, David, eds. (2017). "Rollers, ground rollers & kingfishers". World Bird List Version 7.2. International Ornithologists' Union. Retrieved 17 May 2017.
Arnold, Paula: Birds of Israel, (1962), Shalit Publishers Ltd., Haifa, Israel. p. 12
Peris, S. J.; Rodriguez, R. (1996). "Some factors related to distribution by breeding Kingfisher (Alcedo atthis L.)". Ekologia Polska. 54 (1–2): 31–38.
Lin, Wen-Loung; Tsai, Hsien-Hsiu; Wu, Hsuan-Ju (2007). "Effect of ditch living thing by process of original structure replacement by RC irrigation ditch" (PDF). Journal of Chinese Soil and Water Conservation (in Chinese). 38 (1): 31–42.
Coward, Thomas Alfred (1930). The Birds of the British Isles and Their Eggs (two volumes). Vol. 1 (Third ed.). Frederick Warne.
"Survival and threats". Kingfisher. Royal Society for the Protection of Birds. Retrieved 23 August 2008.
"Longevity list of birds ringed in Europe". Kingfisher. EURING. Retrieved 23 August 2008.
Cocker, Mark; Mabey, Richard (2005). Birds Britannica. London: Chatto & Windus. p. 300. ISBN 978-0-7011-6907-7.
Čech M., Čech P. (2015). "Non-fish prey in the diet of an exclusive fish-eater: the common kingfisher Alcedo atthis". Bird Study. 62 (4): 457–465. doi:10.1080/00063657.2015.1073679. S2CID 85632259.
Čech, M., Čech, P. (2013). "The role of floods in the lives of fish-eating birds: predator loss or benefit?". Hydrobiologia. 717: 203–211. doi:10.1007/s10750-013-1625-3. S2CID 16257345.
Čech, Martin (2017). "Lamprey (Lampetra sp.) in the diet of common kingfisher (Alcedo atthis)". Bulletin Lampetra. 8: 44–47.
Čech M., Čech P. (2017). "Effect of brood size on food provisioning rate in Common Kingfisher Alcedo atthis". Ardea. 105 (1): 5–17. doi:10.5253/arde.v105i1.a3. S2CID 90362897.
Sinclair, Sandra (1985). How Animals See: Other Visions of Our World. Beckenham, Kent: Croom Helm. ISBN 978-0-7099-3336-6.
Schwab, I. R.; Hart N. S. (May 2004). "Halcyon days". British Journal of Ophthalmology. 88 (5): 613. doi:10.1136/bjo.2004.045492. PMC 1772125. PMID 15129670.

BirdLife International (2016). "Alcedo atthis". IUCN Red List of Threatened Species. 2016: e.T22683027A89575948. doi:10.2305/IUCN.UK.2016-3.RLTS.T22683027A89575948.en.

Further reading
Cramp, Stanley, ed. (1985). "Alcedo atthis Kingfisher". Handbook of the birds of Europe the Middle East and North Africa. The Birds of the Western Palearctic. Volume IV: Terns to Woodpeckers. Oxford: Oxford University Press. pp. 711–723. ISBN 0-19-857507-6.

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