979-9483 - Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
979-4015 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour doing various things in and around the Antarctic Peninsula
979-4017 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour doing various things in and around the Antarctic Peninsula
979-3456 - Crew member Jennifer Davidson of the Lindblad Expeditions ship the National Geographic Polaris in the waters surrounding the Galapagos Island Archipelago, Ecuador
979-2040 - Turtle researchers from the NGO Pro Caguama study and capture the critically endangered Loggerhead Turtle (Caretta caretta) from the town of Puerto Lopez Mateos
979-4027 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour in LeMaire Channel on the western side of the Antarctic Peninsula
979-9484 - Young Captive Galapagos giant tortoise (Geochelone elephantopus) being fed at the tortuguero breeding station, Puerto Villamil on Isabela Island in the Galapagos Island Archipelago, Ecuador
979-4013 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour doing various things in and around the Antarctic Peninsula
979-3457 - Crew member Juan Carlos Alvia of the Lindblad Expeditions ship the National Geographic Polaris in the waters surrounding the Galapagos Island Archipelago, Ecuador
979-1248 - Northern Sea Lions (Eumetopias jubatus) - also called Steller Sea Lions - hauled out in Southeast Alaska, USA. Pacific Ocean. Note the animals in the foreground branded by researchers.
979-9171 - Researchers from OCEANITES counting penguins from the Lindblad Expedition ship National Geographic Explorer (shown here is )working in Antarctica
979-4026 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour in LeMaire Channel on the western side of the Antarctic Peninsula
979-4947 - An adult Leucistic Gentoo penguin (Pygoscelis papua) nesting and incubating two eggs at Gabriel Gonzales Videla Research Station, Antarctica
979-4948 - An adult Leucistic Gentoo penguin (Pygoscelis papua) nesting and incubating two eggs at Gabriel Gonzales Videla Research Station, Antarctica
979-9482 - Captive Galapagos giant tortoise (Geochelone elephantopus) with photographer at the Charles Darwin Research Station on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
979-3246 - Adult reddish egret (Egretta rufescens) hunting for small fish in the shallow waters of Puerto Don Juan in the upper Gulf of California (Sea of Cortez), Baja California Norte, Mexcio.
979-5046 - Vernadsky Research Base (Akademik Vernadsky), Ukrainian Antarctic Station at Marina Point on Galindez Island in the Argentine Islands, Antarctica
979-5044 - Vernadsky Research Base (Akademik Vernadsky), Ukrainian Antarctic Station at Marina Point on Galindez Island in the Argentine Islands, Antarctica
979-3458 - Crew members of the Lindblad Expeditions ship the National Geographic Polaris clowning around in tortoise shells on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
979-4028 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour in LeMaire Channel on the western side of the Antarctic Peninsula
979-5045 - Vernadsky Research Base (Akademik Vernadsky), Ukrainian Antarctic Station at Marina Point on Galindez Island in the Argentine Islands, Antarctica
979-4029 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour doing various things in and around the Antarctic Peninsula
979-394 - Researchers placing satellite tag on adult California Gray Whale (Eschrichtius robustus). San Ignacio Lagoon, Baja California Sur, Mexico. No model release.
979-9108 - Researcher Stephanie Martin takes a blubber biopsy using an arrow fired from a crossbow of an adult blue whale (Balaenoptera musculus), South Orkney islands, Antarctica, Southern Ocean
979-4014 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour doing various things in and around the Antarctic Peninsula
979-4946 - An adult Leucistic Gentoo penguin (Pygoscelis papua) nesting and incubating two eggs at Gabriel Gonzales Videla Research Station, Antarctica
979-4025 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour in LeMaire Channel on the western side of the Antarctic Peninsula
979-3459 - Crew videographer of the Lindblad Expeditions ship the National Geographic Polaris in the waters surrounding the Galapagos Island Archipelago, Ecuador
979-3244 - Adult reddish egret (Egretta rufescens) hunting for small fish in the shallow waters of Puerto Don Juan in the upper Gulf of California (Sea of Cortez), Baja California Norte, Mexcio
920-1517 - Research scientist taking hook off hammerhead shark pup (Sphyrna lewini), Hawaii Institute of Marine Biology, Kaneohe, Oahu, Hawaii, United States of America, Pacific
920-1584 - Graduate students weighing a sandbar shark pup (Carcharhinus plumbeus) for scientific research, Kaneohe Bay, Oahu, Hawaii, United States of America, Pacific
920-2096 - Goliath grouper (Epinephelus itajara) and Nurse sharks approach a diver from behind, Molasses Reef, Key Largo, Florida, United States of America, North America
920-1516 - Research scientist Lori Davis holds hammerhead shark pup (Sphyrna lewini), Hawaii Institute of Marine Biology, Kaneohe, Oahu, Hawaii, United States of America, Pacific
920-2098 - Scuba diver handles nurse shark (Ginglymostoma cirratum) while being filmed, Molasses Reef, Key Largo, Florida, United States of America, North America
920-1585 - Graduate students measuring a sandbar shark pup (Carcharhinus plumbeus) for scientific research, Kaneohe Bay, Oahu, Hawaii, United States of America, Pacific
920-1518 - Scientists and graduate student collecting hammerhead shark pups for research, Hawaii Institute of Marine Biology, Kaneohe, Oahu, Hawaii, United States of America, Pacific
920-1514 - Graduate student dissects hammerhead shark pup (Sphyrna lewini), Hawaii Institute of Marine Biology, Kaneohe, Oahu, Hawaii, United States of America, Pacific
817-313558 - Scientist taking samples and measuring the ash fall from Grimsvotn volcanic eruption, Iceland Team on ash covered glacier approx 35 kilometers from the crater The eruption began on May 21, 2011 spewing tons of ash