Todd Pusser / Cuviers beaked whale {Ziphius cavirostris} breaching, Ligurian Sea, Italy.

Todd Pusser / Breaching Cuvier's beaked whale {Ziphius cavirostris} Atlantic, USA

Cheryl-Samantha Owen / Model of Cuvier's beaked whale (Ziphius cavirostris) in the new museum at Bird Island, Lambert's Bay, South Africa. October 2014.

Yumiko Wakisaka / Cuvier's Beaked Whale (Ziphius cavirostris)

Tui De Roy / Cuvier's Beaked Whale (Ziphius cavirostris) adult underwater in deep inter-island waters near Baltra Island, Galapagos Islands, Ecuador

Todd Pusser / Cuviers beaked whale {Ziphius cavirostris} spy hopping, Ligurian Sea, Italy.

Todd Pusser / Male Cuviers beaked whale {Ziphius cavirostris} surfacing, Mediterranean Sea.

Todd Pusser / Cuviers beaked whale {Ziphius cavirostris} surfacing, Ligurian Sea, Italy.

Todd Pusser / Cuviers beaked whale {Ziphius cavirostris} surfacing, with scars on back, Ligurian Sea, Italy

Todd Pusser / Cuvier's beaked whale {Ziphius cavirostris}at surface, Atlantic, USA

Todd Pusser / Cuvier's beaked whale {Ziphius cavirostris} at surface, Atlantic, USA

Martin Camm / Carwardine / Illustration of Cuvier's Beaked Whale / Goose-beaked Whale (Ziphius cavirostris) female, Ziphidae (Wildlife Art Company).