1. Young sea lions surround delighted swimmers for playtime

    Young sea lions surround delighted swimmers for playtime

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  2. Toadfish make croaking sound that can be felt over a mile away

    Toadfish make croaking sound that can be felt over a mile away

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  3. Brave scuba diver gives enormous bull shark a handshake

    Brave scuba diver gives enormous bull shark a handshake

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  4. Close up look at elusive and rare flying squirrel

    Close up look at elusive and rare flying squirrel

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  5. Ancient Galapagos tortoise makes slow trip through mudhole

    Ancient Galapagos tortoise makes slow trip through mudhole

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  6. Hammerhead shark closely investigates scuba diver as it swims near

    Hammerhead shark closely investigates scuba diver as it swims near

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  7. Stunning indigo bunting enjoys bath in backyard pond

    Stunning indigo bunting enjoys bath in backyard pond

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  8. Sea turtles, stingrays, fish & sharks surround diver in Galapagos

    Sea turtles, stingrays, fish & sharks surround diver in Galapagos

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  9. Biologists film whale shark with radio tracking device attached

    Biologists film whale shark with radio tracking device attached

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  10. Millions of see-through baby fish move mesmerizingly behind coral head

    Millions of see-through baby fish move mesmerizingly behind coral head

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  11. Warrior wasps: Small insects with world's most painful sting

    Warrior wasps: Small insects with world's most painful sting

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  12. Giant mantas swim around awed scuba divers in the Galapagos Islands

    Giant mantas swim around awed scuba divers in the Galapagos Islands

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  13. Two zebra stallions playfight among wildebeest herd

    Two zebra stallions playfight among wildebeest herd

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  14. Divers encounter a large crocodile in a cenote river in Mexico

    Divers encounter a large crocodile in a cenote river in Mexico

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  15. New birdfeeder attracts three woodpecker species within minutes

    New birdfeeder attracts three woodpecker species within minutes

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  16. Scuba diver has face-to-face encounter with crocodile

    Scuba diver has face-to-face encounter with crocodile

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  17. Gigantic whale shark casually swims past scuba divers

    Gigantic whale shark casually swims past scuba divers

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  18. Gull shows her chick smooth liftoff without flapping her wings

    Gull shows her chick smooth liftoff without flapping her wings

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  19. Polar bears relax together for some play time and a nap

    Polar bears relax together for some play time and a nap

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  20. Stunningly beautiful crab cleans the beach in the Galapagos Islands

    Stunningly beautiful crab cleans the beach in the Galapagos Islands

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  21. Drone Shows That Blue Whale Is Larger Than An 87ft Boat

    Drone Shows That Blue Whale Is Larger Than An 87ft Boat

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  22. Incredible closeup of yellowjacket wasp cleaning windshield of bug splatter

    Incredible closeup of yellowjacket wasp cleaning windshield of bug splatter

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  23. Overjoyed scuba diver is surrounded by hundreds of dolphins

    Overjoyed scuba diver is surrounded by hundreds of dolphins

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  24. This strange marine animal is like the Roomba of the ocean floor

    This strange marine animal is like the Roomba of the ocean floor

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