Get a cat trap or raccoon trap n put food out. Trap him and bring him in to Noah or Paws. Best if luck with that poor baby. If u can get him to u put a cat carrier out n see if he will go in that. I wud put a blanket n some food. Best of luck tho
Everett animal shelter has traps that they loan out. go there, they have tons of good information
Unfortunately he may have feline leukemia so keep him away from your pets unless they are vaccinated.
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