RARE SIGHTINGS AND VIDEO-RECORDING OF THE GREY SEAL, HALICHOERUS GRYPUS (FABRICIUS, 1791), IN COASTAL GROTTOES OF THE EASTERN CRIMEA (BLACK SEA)

Abstract

Rare sightings and video-recording of the grey seal, Halichoerus grypus (Fabricius, 1791), in coastal grottoes of the eastern Crimea (Black Sea).