Nick Hawkins / North Atlantic right whale (Eubalaena glacialis) tail fluke, diving to feed in the Gulf of Saint Lawrence, Canada. Endangered species. July

Franco Banfi / Silhouette of Southern right whale (Eubalaena australis) Golfo Nuevo, Peninsula Valdes, UNESCO Natural World Heritage Site, Chubut, Patagonia, Argentina, Atlantic Ocean, October

Franco Banfi / Southern right whale (Eubalaena australis) with patches covered in parasitic crustaceans named cyamids or whale lice (Cyamus ovalis). Golfo Nuevo, Peninsula Valdes, UNESCO Natural World Heritage Site,...

Franco Banfi / Southern right whale (Eubalaena australis) with calluses covered in parasitic crustaceans named cyamids or whale lice (Cyamus ovalis). Golfo Nuevo, Peninsula Valdes, UNESCO Natural World Heritage Site...

Franco Banfi / Southern right whale (Eubalaena australis) with patches covered in parasitic crustaceans named cyamids or whale lice (Cyamus ovalis). Golfo Nuevo, Peninsula Valdes, UNESCO Natural World Heritage Site,...

Juan Carlos Munoz / Aerial view of Southern right whale (Eubalaena australis / Balaena glacialis australis) mother and calf. Valdes Peninsula, Patagonia, Argentina, Oct 2008

Juan Carlos Munoz / Southern right whale (Eubalaena australis / Balaena glacialis australis) flipping its tail out of the water. Valdes Peninsula, Patagonia, Argentina, Oct 2008

Juan Carlos Munoz / Aerial view of Southern right whale (Eubalaena australis / Balaena glacialis australis) mother and calf. Valdes Peninsula, Patagonia, Argentina, Oct 2008

Juan Carlos Munoz / Southern right whale (Eubalaena australis / Balaena glacialis australis) entering the water after breaching. Valdes Peninsula, Patagonia, Argentina, Oct 2008

DOC WHITE / Southern right whales (Balaena glacialis australis) Pacific

DOC WHITE / Southern right whale breaching (Balaena glacialis australis) Patagonia Argentina

DOC WHITE / Southern right whale (Balaena glacialis australis) close-up underwarer, Patagonia, Argentina