Flirron

The Flirron is a purple flying Achievement pet that can be found in Star Wars: The Old Republic.

How to Get: Achievement - Flirron-Friend (Onderon)

If you’ve started to do missions on Onderon in the story, you’ll be eligible to earn a cute little Flirron pet! This tiny hungry fellow is roaming the wilds of Onderon and is waiting for you to get started on this secret achievement to claim him! SWTOR So Tiny, So Hungry Flirron-Friend Secret Pet Onderon Achievement Guide

Some pets can only be earned through achievements, where you must do specific things to earn them.