Name: Marilyn, aka "Poly" South San Francisco Bay Area (Zone 9b) "The mountains are calling..."
BIRDS?!
Squirrels do it here. I map...
You can also put the name on one of those impressionable wire tags, wire it to the roots, and bury it with the plant. https://www.amazon.com/dp/B01L8R44H8/
Evaluating an iris seedling, hopefully for rebloom