1112-2945 - Adult sperm whale (Physeter macrocephalus) flukes-up dive near Isla San Pedro Martir, Baja California, Mexico, North America

1112-2043 - Humpback whale (Megaptera novaeangliae) flukes-up dive in Dallmann Bay, Antarctica, Polar Regions

1112-2042 - Humpback whale (Megaptera novaeangliae), flukes-up dive in the Enterprise Islands, Antarctica, Polar Regions

1112-2040 - Humpback whale (Megaptera novaeangliae), flukes-up dive, English Strait, South Shetland Islands, Antarctica, Polar Regions

990-176 - The impressive tail stock of this Blue whale (Balaenoptera musculus) carries huge muscle bands which lead to the horizontal flukes. St. Lawrence estuary, Canada

939-9 - Humpback whale (Megaptera novaeangliae) fluking up to dive. Alaska

939-8 - Humpback whales (Megaptera novaeangliae) fluking up to dive. Alaska

939-11 - Humpback whale (Megaptera novaeangliae) wth tail flukes high in the air. Alaska

1074-31 - Humpback whale (Megaptera novaeangliae) fluking up for a deep dive with the midnight sun and a whale-watching boat behindt. Husavik, Iceland

1074-4 - Humpback whale (Megaptera novaeangliae) fluking up for a deep dive. Husavik, Iceland

1074-5 - Humpback whale (Megaptera novaeangliae) fluking up for a deep dive with the midnight sun setting behind. Near Husavik on the north coast of Iceland

1074-6 - Humpback whale (Megaptera novaeangliae) fluking up for a deep dive in the midnight sun, near Husavik on the north coast of Iceland

1074-3 - Humpback whale (Megaptera novaeangliae) fluking up for a deep dive in fjordland, with snow behind on the Mountains of Kinn. Husavik, Iceland

1036-120 - Humpback whale fluking up to dive (Megaptera novaeanglia), West of Iceland

1036-119 - Grey whale 'fluking up' before deep dive (Eschrichtius robustus) San Ignacio, Baja California

1036-262 - Humpback whale (Megaptera novaeangliae) fluking up to dive in full view of whale watchers on North Sailing boat. HusavÌk, Iceland

1036-112 - Grey whale 'fluking up' before a deep dive (Eschrichtius robustus) Pacific, San Ignacio lagoon, Baja-California, Mexico

931-124 - Blue whale (Balaenoptera musculus). The huge tail stock of a blue whale showing lots of round scars thought to be from cookie cutter sharks. The tiny dorsal fin is clealry visible to the left. Gulf of California.

931-118 - Blue whale (Balaenoptera musculus). The tail of a blue whale showing clear damage to one fluke, a large part of which is missing. Gulf of California.

931-75 - Sperm whale. (Physeter macrocephalus). The tail of a sperm whale raised high for a deep dive. Caribbean.

931-107 - Blue whale (Balaenoptera musculus). A typically view of a very relaxed blue whale tail as it begins a shallow dive. Gulf of California.

931-119 - Blue whale (Balaenoptera musculus). The huge tail of a blue whale raised high before a deep dive. Gulf of California.

931-163 - Blue whale (Balaenoptera musculus). A blue whale tail enthralls watching tourists. Gulf of California.

931-121 - Blue whale (Balaenoptera musculus). A blue whale tail as it leaves the water prior to diving. Gulf of California.

931-77 - Sperm whale. (Physeter macrocephalus). A sperm whale tail at the start of a deep dive. Gulf of California.

931-117 - Blue whale (Balaenoptera musculus). A blue whale tail slides into the sea at sunset. Gulf of California.

931-122 - Blue whale (Balaenoptera musculus). The tail of a blue whale against an evening sky. Blue whale tails can be over 20ft across. Gulf of California.

931-128 - Blue whale (Balaenoptera musculus). The tail of a blue whale beneath rugged cliffs. Gulf of California.

931-130 - Blue whale (Balaenoptera musculus). The tail of a blue whale raised way out of the water before diving deep. The typical skin colouring is also visible. Gulf of California.

931-106 - Blue whale (Balaenoptera musculus). The tail of a blue whale.Gulf of California.

931-115 - Blue whale (Balaenoptera musculus). The silhouette of a blue whale tail in bright afternoon light. Gulf of California.

969-138 - Sperm whale tail fluke (Physeter macrocephalus) Azores, Atlantic Ocean (RR)

969-134 - Sperm whale fluking up to dive (Physeter macrocephalus) Azores, Atlantic Ocean (RR)

969-194 - Blue whale fluking up to dive (Balaenoptera musculus) Azores, Atlantic Ocean (RR)

969-139 - Sperm whale tail fluke as whale dives (Physeter macrocephalus) Azores, Atlantic Ocean (RR)

979-646 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

979-5074 - A very rare sighting of an adult blue Whale (Balaenoptera musculus) fluke-up dive off the northwestern side of Spitsbergen Island in the Svalbard Archipelago, Barents Sea, Norway

979-2827 - Adult California Gray Whale (Eschrichtius robustus) fluke-up dive in Magdalena Bay, Baja California Sur, Mexico

979-830 - Blue Whale (Balaenoptera musculus) fluke-up dive at sunset in the offshore waters of Santa Monica Bay, California, USA.

979-2914 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Chatham Strait, southeast Alaska, USA.

979-642 - Adult Humpback Whale (Megaptera novaeangliae) fluke-up dive in Southeast Alaska, USA. Pacific Ocean.

979-5877 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-6710 - Humpback whales (Megaptera novaeangliae) fluke-up dive in the misty waters along the west side of Chatham Strait in Southeast Alaska, USA

979-5873 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-5075 - A very rare sighting of an adult blue Whale (Balaenoptera musculus) fluke-up dive off the northwestern side of Spitsbergen Island in the Svalbard Archipelago, Barents Sea, Norway

979-493 - Adult Humpback Whale (Megaptera novaeangliae) fluke-up dive in the AuAu Channel, Maui, Hawaii, USA.

979-5864 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-3086 - Adult blue whale (Balaenoptera musculus) fluke-up dive in the middle Gulf of California (Sea of Cortez), Baja California Sur, Mexico

979-3720 - California Gray Whale (Eschrichtius robustus) fluke-up dive in San Ignacio Lagoon on the Pacific side of the Baja Peninsula, Baja California Sur, Mexico

979-2892 - Humpback whale (Megaptera novaeangliae) fluke-up dive near the Gorda Banks in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico

979-5073 - A very rare sighting of an adult blue Whale (Balaenoptera musculus) fluke-up dive off the northwestern side of Spitsbergen Island in the Svalbard Archipelago, Barents Sea, Norway

979-5874 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-457 - Pacific humpback whale adult,Megaptera novaeangliae, fluke-up dive in the Au Au Channel near Maui, Hawaii

979-2329 - Adult humpback whales (Megaptera novaeangliae) fluke-up dive in front of the charter yacht Safari Spirit in Freshwater Bay on Chichagof Island in Southeast Alaska, USA

979-2915 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Chatham Strait, southeast Alaska, USA.

979-5871 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-2810 - Adult California Gray Whale (Eschrichtius robustus) fluke-up dive in Magdalena Bay, Baja California Sur, Mexico

979-496 - Adult Humpback Whale (Megaptera novaeangliae) fluke-up dive in Southeast Alaska, USA. Pacific Ocean.

979-5858 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-3968 - Humpback whale (Megaptera novaeangliae) fluke-up dive near the Antarctic Peninsula

979-2902 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Chatham Strait, southeast Alaska, USA

979-2917 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Chatham Strait, southeast Alaska, USA.

979-2904 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Chatham Strait, southeast Alaska, USA.

979-178 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla Ildefonso in the Gulf of California (Sea of Cortez), off the Baja Peninsula, Mexico

979-3085 - Adult blue whale (Balaenoptera musculus) fluke-up dive in the middle Gulf of California (Sea of Cortez), Baja California Sur, Mexico

979-6717 - Humpback whales (Megaptera novaeangliae) fluke-up dive in the misty waters along the west side of Chatham Strait in Southeast Alaska, USA

979-5077 - A very rare sighting of an adult blue Whale (Balaenoptera musculus) fluke-up dive off the northwestern side of Spitsbergen Island in the Svalbard Archipelago, Barents Sea, Norway

979-179 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla Ildefonso in the Gulf of California (Sea of Cortez), off the Baja Peninsula, Mexico

979-831 - Blue Whale (Balaenoptera musculus) fluke-up dive at sunset in the offshore waters of Santa Monica Bay, California, USA.

979-5876 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico

979-6716 - Humpback whales (Megaptera novaeangliae) fluke-up dive in the misty waters along the west side of Chatham Strait in Southeast Alaska, USA

979-2794 - Adult California Gray Whale (Eschrichtius robustus) fluke-up dive in Magdalena Bay, Baja California Sur, Mexico

979-2795 - Adult California Gray Whale (Eschrichtius robustus) fluke-up dive in Magdalena Bay, Baja California Sur, Mexico

979-5076 - A very rare sighting of an adult blue Whale (Balaenoptera musculus) fluke-up dive off the northwestern side of Spitsbergen Island in the Svalbard Archipelago, Barents Sea, Norway

979-832 - Blue Whale (Balaenoptera musculus) fluke-up dive in the offshore waters of Santa Monica Bay, California, USA.

979-2894 - Humpback whale (Megaptera novaeangliae) fluke-up dive near the Gorda Banks in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico

979-829 - Blue Whale (Balaenoptera musculus) fluke-up dive in the offshore waters of Santa Monica Bay, California, USA.

979-709 - Close up of fluke-up dive from adult humpback whale (Megaptera novaeangliae) cooperatively bubble-net feeding in Freshwater Bay on Chichagof Island in Southeast Alaska, USA

979-6713 - Humpback whales (Megaptera novaeangliae) fluke-up dive in the misty waters along the west side of Chatham Strait in Southeast Alaska, USA

979-2912 - Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Chatham Strait, southeast Alaska, USA.

979-177 - Short-finned pilot whale (Globicephala macrorhynchus) fluke-up dive off Isla Ildefonso in the Gulf of California (Sea of Cortez), off the Baja Peninsula, Mexico