From shalak; bird of prey, usually thought to be the pelican (from casting itself into the sea) -- cormorant.
see HEBREW shalak
H7994. shalak
שָׁלָךְ noun [masculine] bird of prey, probably cormorant (as hurling itself from above; — compare Thes1419 DiLv TristrNHB 252 McLean-ShipleyEncy.Bib.CORMORANT); — Deuteronomy 14:17; Leviticus 11:17; (P).