MarraM.; MagalettiN.; GiacoiaV.; LuceG. Updates on the presence of the Eurasian otter, Lutra lutra in the SAC/SPA “Area delle Gravine” IT9130007 and first sighting in the Oasis “Gravina di Laterza”. BORNH Bulletin of Regional Natural History, v. 3, n. 2, p. 1-6, 2 ago. 2023.