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
Publicado el 17 de febrero de 2022 a las 02:35 PM
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