Rooster
Wit-Za-Grew-Ter.
Alex ter Avest's birth name is Alexandria Lauren ter Avest.
Guusje Ter Horst's birth name is Guus ter Horst.
Relus Ter Beek's birth name is Aurelus Louis ter Beek.
Oh, dude, you're looking for a bird name ending with "ter"? Well, you've got the albatross, the jay, the woodpecker, and the pewter - wait, scratch that last one, that's not a bird. But hey, those are some options for you to ponder!
Bird
gary, his name was gary
Tracy
robtar or aka. robbin
If you're talking about way back then it's the dinbosour-tthe pteronadon (ter-on-a-don)
ter
"Birds of Paradise"