- Bridger Walker, from Wyoming, was bitten several times on the head and face
- He was injured after getting between his younger sister and a charging dog
- Ordeal was revealed in an Instagram post from his aunt Nicole Walker
- She said he needed around 90 stitches from a 'skilled plastic surgeon'
- 'I'd also like to mention here that the dog's owners are really great people who have been nothing but kind to Bridger and his family,' Ms Walker posted
- The aunt said some people asked if there was a GoFundMe page for Bridger
- She instead asked that people donate to military veteran groups and send photos of rocks to Bridger because he loves geology
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