Duck/Goose Hybrid

I know that she will lay completely regardless of a male being present......But her eggs she layed recently were indeed fertile.....The germinal disk in the yolk was very clearly visible and white.......a trait of a fertile egg.....Sure the ones she is sitting on now may not be, but almost all the ones prior were....If these ones dont hatch, I will be incubating the rest my self
is it just a white dot? If it's a white dot, that is an infertile egg.
 
Hybrids between mallard derivatives and graylags occur, and hybrids between mallatd derivatives and swan geese have been reported. Can not find my copy of Gray (1958. Bird Hybrids) right now, but seem to remember swan goose mallard hybrids. Yashima (1953) is cited in McCarthy. Handbook of avian hybrids of the world, as have 38 eggs of swan goosexmallard parentage....24 were fertile, 12 died within 2 days, 1 survived a week, and 1 survived, but had a deformed bill. Incubation was listed as 28 days.

Clint
 
Check this out. All about cross breeds and pics. Even has a goose duck hybrid! http://www.gobirding.eu/Photos/HybridDucks.php
But that's an Egyptian goose x mallard hybrid. Egyptian geese are very different from African geese (and from greylags).

With the only report on an African goose x mallard hybrid being one deformed "guckling" hatched out of 38 eggs, it doesn't seem likely these eggs will hatch - at least not into something healthy and happy.
 
But that's an Egyptian goose x mallard hybrid. Egyptian geese are very different from African geese (and from greylags).

With the only report on an African goose x mallard hybrid being one deformed "guckling" hatched out of 38 eggs, it doesn't seem likely these eggs will hatch - at least not into something healthy and happy. 

The Egyptian goose is also a shelduck, which is what some argue muscovies are, and we all know 'scovies and mallard derivitaves can cross.
 

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