Tried making my own Minecraft skin for the first time how can I improve it?

https://preview.redd.it/ga3hhgxazdtg1.png?width=64&format=png&auto=webp&s=fe403203721abe09338ae9d1c9d6f02433373cc2

hello! I'm HyloDuck. I have my own OC and i make some animations and random creative stuff. It’s my first time making one, and I’d love some tips from someone experienced to make it better 🦆

https://preview.redd.it/9t7vkgdnzdtg1.png?width=399&format=png&auto=webp&s=8b505edd3daddb171b405ee1baecee5b6d1e5cfa

https://preview.redd.it/i7v694e3zdtg1.png?width=388&format=png&auto=webp&s=0f747eeec6cd741bf53c698c924c01f135cd7a14