I am using PSP 2019 Ultimate.
Using the Object Extractor on most of this. The birds are from our grand daughter at her humming bird feeder. The oak tree limb is from our front yard. The sky is from Pixel Scrapper.
Used Perfectly Clear for color adjustments.
The Object Extractor maintained the moss and lichen bits on the limb perimeter. Used the Eraser Tool to remove the wee bits of sky amongst the moss filaments and lichen – slow but worthwhile.