This infographic produced by the website called Feather Flags Express showcases several national flags that feature eagles, explaining their historical and symbolic significance. It also highlights countries with eagles on official seals or presidential flags but not their national flags.
Check out this interesting design to learn about flags with eagles including the Mexico flag, the Egypt Flag, the Albania flag, the Zambia flag, the American Samoa flag and the Kazakhstan flag.
Infographic Source: https://www.featherflagsexpress.co.uk/blogs/news/eagle-flags