Gonna guess they are marked as his favorites, it's the same symbol in game.
Confirmed: It's the same on my armory
http://eu.battle.net/wow/en/characte...s=is-collected
favorite pets are marked with gold star idd
"The speed of light is faster than the speed of sound.
That's why so many people look smart until they start talking."
FC-0404-6893-4293 Fire safari Larvesta/Growlithe/Braixen IGN: X Archimand, Y Shina.
ohhh...OHhhhhh. Thanks guys, me being a derp this morning I didn't even realize there was that feature.
Also useful if you want to spam something like
/randomfavoritepet
Oooo, I'm gonna have to try that