deidreg
Crowing
I agree if she doesn't want them in her yard, then that needs to be respected. I would also find a time to visit (when she's not upset about the chickens), and gently ask what changed her mind. Perhaps bring her some eggs. The pandemic is making everyone more stressed out and perhaps your chickens are her outlet. She may just need you to listen.
Do keep a written record of your conversations in case this escalates and you need to get help. Good luck.
Do keep a written record of your conversations in case this escalates and you need to get help. Good luck.