Swallow-Like Seabird With Dark Plumage

This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1592, Puzzle 5 (Glass Frogs).

Question is: Swallow-Like Seabird With Dark Plumage

and the answer is: BLACKTERN

Word Meaning:

BLACK TERN — A small seabird (Chlidonias niger), of the tern family (Sternidae)

Definitions from Wiktionary.