Great advice from both @BDutch and @triciayoung about coop/run security for your precious Pearl!
Hardware cloth is great and necessary fortification - it's also sort of awful to work with, so wear gloves, long hardy sleeves that won't snag, and eyewear protection! A snipping tool (preferably...
I learned so much from BYC! There are lots of helpful and very knowledgeable folks here so never hesitate to ask questions as they come up! I kept my little guy in his new coop for a few weeks, as he used to sleep in a tree, too. Once figured out where the food, safety, and water was, he stopped...
Pretty Pearl!
I got into chickenship almost the same way, except my visitor was a small rooster. He was already somewhat tame but treats helped win his trust. Treats should only be 10% of their diet, which takes some discipline since it is so fun to feed them. Mine especially like cheese shreds...