Collage of four extant odontocetan cetaceans. Clockwise from top left: <a href="//commons.wikimedia.org/w/index.php?title=False_killer_whale&amp;action=edit&amp;redlink=1" class="new" title="False killer whale (page does not exist)">false killer whale</a>, <a href="//commons.wikimedia.org/w/index.php?title=Amazon_river_dolphin&amp;action=edit&amp;redlink=1" class="new" title="Amazon river dolphin (page does not exist)">amazon river dolphin</a>, <a href="//commons.wikimedia.org/w/index.php?title=Beluga&amp;action=edit&amp;redlink=1" class="new" title="Beluga (page does not exist)">beluga</a>, and <a href="//commons.wikimedia.org/w/index.php?title=Bottlenose_dolphin&amp;action=edit&amp;redlink=1" class="new" title="Bottlenose dolphin (page does not exist)">bottlenose dolphin</a>. These files are already on Commons with their respective licenses. This montage was made for the article Odontoceti on Wikipedia.
<ol><li><a href="//commons.wikimedia.org/wiki/File:Pseudorca_crassidens_at_Okichan_Theater_20070201.jpg" title="File:Pseudorca crassidens at Okichan Theater 20070201.jpg">File:Pseudorca crassidens at Okichan Theater 20070201.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Amazon_river_dolphin_3.jpg" title="File:Amazon river dolphin 3.jpg">File:Amazon river dolphin 3.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Delphinapterus_leucas_2.jpg" title="File:Delphinapterus leucas 2.jpg">File:Delphinapterus leucas 2.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Dolphin_(28425903296).jpg" title="File:Dolphin (28425903296).jpg">File:Dolphin (28425903296).jpg</a></li></ol>
PaleoNeolitic (montage creator)
CC BY 4.0
Wikimedia Commons