Maws or gous is birds in the faimily Laridae. They are maist sib to the tarns (faimily Sternidae)

Laridae
Pewl
Scientific classification e
Kinrick: Animalia
Phylum: Chordata
Cless: Aves
Order: Charadriiformes
Suborder: Lari
Faimily: Laridae
Rafinesque, 1815