Some birds with six-letter names include robin and magpie.
6
Albatross.
Mockingbird
Xavi
yERR
Enchantress
Oh, dude, you're really making me work for it, huh? Alright, let's see... "Woodpecker" fits the bill. Did I just nail that or what? You're welcome.
Eagle
swallow, swan
lark
minah