Answer:

auks

Answer	Crossword Clue
AUKS	Diving birds
AUKS	Razor-billed seabirds
AUKS	Razorbills

AUKS	Pretty graceful divers, despite what one might think from their name
AUKS	Puffins, e.g.
AUKS	Black and white fliers
AUKS	Razor-billed divers
AUKS	Penguin lookalikes
AUKS	Arctic divers
AUKS	Razor-billed birds
AUKS	Arctic birds

AUKS	Black-and-white divers
AUKS	Arctic seabirds
AUKS	Diving sea birds
AUKS	Northern diving birds
AUKS	Puffins' cousins
AUKS	Aquatic birds
AUKS	Arctic fliers
AUKS	Puffin cousins

AUKS	Short-winged birds
AUKS	Razorbill birds
AUKS	Birds of Iceland.
AUKS	Diving birds.
AUKS	Northern sea birds.
AUKS	Diving birds of the north.
AUKS	Sea birds.
AUKS	Dovekies.

AUKS	Northern fliers.
AUKS	Guillemots.
AUKS	Arctic fowl.
AUKS	Great and razor-billed
AUKS	Birds
AUKS	Northern birds
AUKS	Dovekies
AUKS	Sea birds

AUKS	Penguins' cousins
AUKS	Web-footed diving birds
AUKS	Arctic sea birds
AUKS	Web-footed birds
AUKS	"Great" birds