Hi Robert,
You have two very nice post cards there, unfortunately I do not have any postcards with any birds with actual feathers on them, but I do have these "birds":
A first day cover from Ft Ross with a Pelican Stamp, Sc#1466 A880 8c deep brown:



And the "Flamingo" hotel in Santa Rosa, CA, two views:




I wish I had some other real "bird" post cards, but the above birds will have to do Julie