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 febrero 17, 2022 02:35 TARDE por jason_graham