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 por jason_graham