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Little bittern
Little Bittern in Spain/Majorca
Conservation status
Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Pelecaniformes
Family:	Ardeidae
Genus:	Ixobrychus
Species:	I. minutus
Binomial name
Ixobrychus minutus (Linnaeus, 1766)
Range of I. minutus     Breeding      Resident      Non-breeding
Synonyms
Ardea minuta Linnaeus, 1766

The little bittern or common little bittern (Ixobrychus minutus) is a wading bird in the heron family, Ardeidae. Ixobrychus is from Ancient Greek ixias, a reed-like plant and brukhomai, to bellow, and minutus is Latin for "small".^[2]

Distribution

The little bittern is native to the Old World, breeding in Africa, central and southern Europe, western and southern Asia, and Madagascar. Birds from temperate regions in Europe and western Asia are migratory, wintering in Africa and further south in Asia, while those nesting in the tropics are sedentary. It is rare north of its breeding range.^[3]

In Britain there were intermittent reports of breeding in the nineteenth century, and again in 1946 and 1957, but none of these records were proven. The first proven British breeding record is from Yorkshire in 1984,^[4] and the second from the Avalon Marshes in Somerset in 2010, by 2017 this species had been present in this area for nine consecutive years.^[5]

Taxonomy

Carl Linnaeus described the little bittern in 1766. The three subspecies are:

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  I. m. minutus – (Linnaeus, 1766): nominate, found in Europe, Asia, northern Africa; winters in sub-Saharan Africa and southern Asia


• 
  I. m. payesii – (Hartlaub, 1858): found in sub-Saharan Africa, resident


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  I. m. podiceps – (Bonaparte, 1855): found in Madagascar, resident

The Australian little bittern (I. dubius) and the extinct New Zealand little bittern (I. novaezelandiae) were formerly considered subspecies of the little bittern.^[6]

Description

Egg, Collection Museum Wiesbaden

Immature

The little bittern has a length of 33–38 centimetres (13–15 in) and a wing span of 52–58 centimetres (20–23 in). It is the smallest of the breeding herons of Europe and is characterised by its tiny size, long and sharp bull and thick neck. The male's are distinctively patterned and both sexes show pale forewing panels. The males have black with a faint green sheen on the crown, nape, back, tail and scapulars. The underparts are pale buff and the wing has a pinkish buff oval shaped panel which contrasts with the otherwise black wings and is formed by the inner wing coverts. The underwing is completely whiteish in colour. The female is duller than the male and has brownish black upperparts with paler feather margins visible at close range. The underparts of the female are not as clean as those of the male and are streaked with dark buff and brown. The female's wing panel is less obvious than the male's. The juveniles are duller and more rufous than the females and are more heavily streaked on both their upperparts and underparts, including their wing coverts.^[4]

Status

The little bittern is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds applies.

Behaviour

The little bittern is crepuscular, skulking and normally solitary. It feeds in fishes, amphibians and insects which are caught within reedbeds or at their edges by the bird slowly stalking the prey. The male claims a territory in the Spring, advertising his presence with a deep barking or croaking call and the monogamous pair remain together for at least one breeding season. Eggs are laid in a nest situated in dense reedbeds, rushes or bushes above the water from the middle of May and there is a single brood which is normally 5-6 eggs. These are incubated for17-19 days and the chicks are fledged after 25-30 days.^[4]

IN Europe the little bittern is a migratory species, crossing the Mediterraenan from Africa in the early Spring and arriving in their breeding wetlands from mid April onwards. The return to Africa occurs in August and September and there are normally only a few juveniles left in Europe by October. The European breeders migrate as far south as the Eastern Cape and Transvaal.^[4]

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  Little bittern in the Aldomirovtsi Marsh, Bulgaria
  

  
  

  
  


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  An adult during ringing in northern Italy
  

  
  

  
  


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  An immature little bittern, camouflaged in its reed bed habitat
  

  
  

  
  


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  An immature little bittern, in the open, but still near the water
  

  
  

  
  


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  Ixobrychus minutus - MHNT
  

  
  

  
  

References

External links

Wikimedia Commons has media related to Ixobrychus minutus.

Wikispecies has information related to Ixobrychus minutus

• 
  Blasco-Zumeta, Javier; Heinze, Gerd-Michael. "Little bittern" (PDF). Identification Atlas of Aragon's Birds.
  


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  Little Bittern, The Atlas of Southern African Birds
  


• BirdLife species factsheet for Ixobrychus minutus
  


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  "Ixobrychus minutus". Avibase.
  


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  "Little bittern media". Internet Bird Collection.
  


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  Little bittern photo gallery at VIREO (Drexel University)


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  Interactive range map of Ixobrychus minutus at IUCN Red List maps
  


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  Audio recordings of Little bittern on Xeno-canto.