The term 'oriole' refers specifically to various species within the bird family, not just any colorful bird.

Bird Species

'Oriole' often suggests bright plumage, typically orange or yellow with black, which can be an identifying feature.

Bright Colors

The 'Baltimore oriole' is a symbol of Maryland, USA and is also the name of a major league baseball team.

Cultural Reference

 their cubs they're doing it because I have to survive now I when when things really get tough and you know the world is divided between pioneers and followers you're either a pioneer oriole