At 12:45 6/12/97, Dr Tonia Cochran asked:
>Here's another question (full of them today, aren't I?). Can anyone out
>there tell me whether the F1 offspring of Black Duck x Mallards are
>fertile? I seem to remember that they are (and that was an added concern
>for the native duck populations, apart from the mallards pinching black
>duck partners when they should be breeding with other black ducks), but
>can't find reference to it now.
>
> By the way, what other species of native duck do mallards breed with?
Looking in HANZAB page 1333 gives a list of Mallard crossbreeds with 23
other species. The Australian species known were :
Chestnut Teal
Grey Teal
Pacific Black Duck
Australian Shelduck
Hardhead
And the PBD x Mallard is fertile.
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