dolphin in water

about alongside aquatic belong cetacea cetaceans cetartiodactyla clade closest comprise cute delphinidae distributed diverged diverse dolphin dolphins eventoed excluding extant extinct families fly flying fun group grouping having hippopotamuses informal iniidae leap leaping lipotidae living love mammals million order other paraphyletic platanistidae pontoporiidae porpoises relatives sex species their there they ungulates water whales widely with within years zoologists