Harteman Wildfowl Aviaries | educating since 1998

Wildfowl hybrids

Duck, goose and swan oddities

Waterfowl or wildfowl (Anseriformes) are well known to be birds which hybridize (crossbreed) frequently, both in captivity (ex-situ) and in the wild (in-situ). Below you can find some of the hybrids as seen in the world. It occurs ducks, geese and swans can either hybridize interspecific (different species in the same genus) and intergeneric (different species of different genera), some of them being fertile, some not. Even odd hybrids such as mute swan (Cygnus olor) X greylag goose (Anser anser) and common shelduck (Tadorna tadorna) X common eider (Somateria mollissima) have been described and photographed. Please note that hybrids can cause serious problems for captive populations, so should never be produced on purpose and should not be propagated by breeders. 

 

To make clear whether a "new" bird is a new species or not you may read the article about the Brewer's duck ("Anas breweri"). Nowadays, this bird is known as a hybrid between the Mallard duck and Gadwall. Read more...

 

Avian hybrids, by Jente Ottenburghs

Can Mandarin ducks (Aix galericulata) hybridize with other duck species? No! They can't!

And can hybrids lead to new species? Yes! They are so called hybrid species (Red-breasted goose, Hawaiian duck e.g.).

These and other questions will be answered at the Avian Hybrids Blog, by Jente Ottenburghs.



 

Goose hybrids; Anser and Branta types

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Branta canadensis X Anser anser
Photo © Henry Lehto
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Branta canadensis X Anser albifrons
Photo © Henry Lehto
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Branta canadensis X Anser anser
Photo © Henry Lehto
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Chen canagica X Branta hutchinsii minima
Photo © Ian Gereg
Keizer_X_Cackling_02.jpg Keizer_X_Cackling_03.jpg Keizer_X_Cackling_04.jpg
Chen canagica X Branta hutchinsii minima
Photo © Joern Lehmhus
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Branta hutchinsii minima X Branta leucopsis
Photo © Ian Gereg
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Branta hutchinsii minima X Branta ruficollis
Photo © Ian Gereg
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Anser anser X Anser cygnoid
Photo © Joern Lehmhus
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Anser anser X Anser cygnoid
Photo © Joern Lehmhus
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Anser anser X Anser cygnoid
Photos © Joern Lehmhus

 

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Anser anser X Anser cygnoid
© Joern Lehmhus

Stiff-tailed duck hybrids; Oxyura types

 

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Oxyura jamaicensis jamaicensis X Oxyura leucocephala
Photo © Wildfowl & Wetlands Trust, UK

Whistling duck hybrids; Dendrocygna types

 
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Dendrocygna eytoni X Dendrocygna viduata
Photo © 2003, Danny Camerlinck

Diving duck hybrids; Aythya and Netta types

 
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Aythya affinis X Aythya novaeseelandiae
Photo © Jan Hareman
(taken at Sylvan Heights Bird Park, 2005)

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Netta peposaca X Netta erythrophthalma

Photo © 2005 Jan Harteman


Eider hybrids; Somateria types

KoningsEider_X_EurEider_01.jpg KoningsEider_X_EurEider_02.jpg

 

 

 

 

 

 

Somateria spectabilis X Somateria mollissima

Photo © Yann Kolbeinsson


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Somateria fischeri X Somateria spectabilis (left male, right female)

Photo © Oliver Adamczyk

 

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Uncertain hybrid of an Eider (Somateria sp.) and an unknown species.
© 2005 Jan Harteman

Dabbling duck hybrids; Anas, Mareca and Spatula types

 

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Anas penelope X Anas americana

Photo © Stephen Arthur

 

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Identified as Anas crecca X Anas acuta

Photo taken at Naturalis, Leiden, Netherlands

National Museum of Natural History

Photo © Jan Harteman

 

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Anas platyrhynchos X Anas poecilorhyncha

Photo © Takashi Kolbe, Tokyo, Japan

 

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Anas platyrhynchos X Mareca penelope (left male, right female)

Photo © Harry J. Letho

 

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Anas platyrhynchos X Anas superciliosa

Photo © Murray Williams

 

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Anas platyrhynchos X Cairina moschata

Photo © Joern Lehmhus

 

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Spatula discors X Spatula cyanoptera (male)

Photo © Jan Harteman

 

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Spatula discors X Spatula cyanoptera (male)

Photo © Jan Harteman

 


 

Wood duck hybrids; Aix sponsa types

 

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Tadorna tadorna X Aix sponsa

Photo © Siwo R. de Kloet, Avian Biotech, USA

 

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Aix sponsa X Mareca falcata

Photo © Jacob Kraemer

 

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Aix sponsa X Anas bahamensis

Photo © Ian Gereg

 

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Marmaronetta angustirostris X Aix sponsa

Photo © Ian Gereg

 


 

Sea duck hybrids; Mergini types

 

Kuifzaagbek_X_Nonnetje_01.jpg Kuifzaagbek_X_Nonnetje_02.jpg

Lophodytes cucullatus X Mergellus albellus

Photo © Ian Gereg

 

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Possibly Bucephala clangula X Mergellus albellus

Photo © Harry Letho

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