Recognising PBDs and hybrids in the field

Great article on hybrid traits, featuring an appendix with pure PBD and mallard hybrid traits:

See the Wiliams article in the group files:

https://www.facebook.com/groups/pacificblackduckconservationgroup/permalink/976686566541377

Posted on 17 February, 2022 14:35 by jason_graham jason_graham

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