OpenGameArt.org
Grüner und Gelber Fuchs
Credit line
"Grüner und Gelber Fuchs" by Spring Spring licensed CC0: https://opengameart.org/content/gr%C3%BCner-und-gelber-fuchs Author's attribution notice: Spring
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.