Great Hammerheads At Night: Bahamas

Scuba diving in the dark is always an adrenaline rush because you know that there are sharks near you but you can’t see them until they suddenly appear. We love night dives because they add an entirely new dimension to exploring the underwater world. We photographed these great hammerhead sharks around Bimini Island in the Bahamas.

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Night1 Great Ham 2Sharks are very comfortable swimming in the water at night. To simplify, their eyes are designed to allow light to pass through the retina twice which enables sharks to see in the dark. It is believed that sharks can see about ten times greater than humans in clear water.Night1 Great Ham 4

They also have a cephalofoil (the hammer) that is full of electrical sensors. These electroreceptors are interconnected jelly-filled pores called ampullae of Lorenzini and aid in hunting as these sensors pick up electrical signals given off by all living creatures including humans. Therefore, a shark at night is very aware of your presence and location in the ocean even though you have no idea where they are.Night1 Great Ham 5

 

Red-Eared Slider Turtle Las Vegas, Nevada USA

Another freshwater turtle we found in the Las Vegas wetlands was the Red-Eared Slider turtle (Trachemys scripta elegans). This turtle is not native to this area. It is bought as a pet but as with many pet owners, they irresponsibly release it into the wild when they don’t want it anymore. We counted as many as 15 turtles in this pond. The danger is that invasive species may out-compete native turtle species causing a decline or eradication of the native Spiny Softshell turtle.Red-Eared Slider Turtle 5

When water temperatures drop below 10 degrees Celcius (50F) turtles are generally not active but brumate. Brumate is a form of hibernation. They will sleep on the bottom of the pond, awaken, swim to the surface, possibly drink water and then proceed back to the bottom. The process repeats itself periodically. During brumation, they do not eat.Red-Eared Spider Turtle 2

Las Vegas had a cold spell with temperatures around freezing at night. There was some snow which is unusual here. This is why we were surprised to see these turtles sunning themselves on the rocks in the early morning. These turtles should not have been as active as they were considering the weather conditions.Red-Eared Spider Turtle 4

Red-Eared Slider turtles can live for 20-30 years. The shell (carapace) averages between 15cm (6 inches) and 30cm (12 inches) in length. Females generally are larger than the males. A large female can lay up to 30 eggs and may lay up to 5 times (clutches) in a year.

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Lion Cub (2018): Serengeti National Park, Tanzania

It is interesting how your perspective for photography changes with subsequent trips to a game park. Our first trip in 2017 to the Serengeti National Park in Tanzania was so overwhelming with all the animal life that our cameras never stopped shooting and we took over 6,000 photographs. In 2018, we took half that number and began to focus more on interesting situations. This lion cub entertained us for a long time.

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There are many prides of lions scattered throughout the Serengeti. We were traveling in a more remote area of the park when we came across a very small pride. It was unusual in that there were two males (brothers) instead of one, just two females and only a single cub.

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There are advantages to having two males as the head of the pride. If another male attempts to challenge the pride to become the dominant male then he would have to fight two males instead of one. Therefore, his chance of being successful would be severely reduced. However, according to our guide, only one male will mate with the females and the other brother is subordinate.

 

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It is not uncommon for a new male or males, in this case, to kill cubs that they have not fathered. This causes the female to come back in heat and therefore he can mate with her. This female had only one cub. We assume that it was his offspring because why kill some cubs but leave one. Therefore, this female either had only one cub or some tragedy occurred that killed the other cubs if she had given birth to a few babies.

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Having no brothers or sisters to play with meant that this little cub easily got bored and continuously harassed its mother. She was attempting to sleep but on numerous occasions when it would look to play with her she would growl at the pesky little cub. It would role in the grass, chew on sticks and feed. All this was very entertaining.

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Elephants (2018): Serengeti National Park, Tanzania

We arrived at this dry riverbed at just the right time to see this small herd of elephants. The rains were late and had not arrived in the Serengeti yet. After a few minutes, it became apparent why they were here. In the photo below you will notice a small hole in the sand about the width of their foot. Inside there is water.

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We assume that the elephants have dug this hole themselves into the dry riverbed. The Serengeti can be a tough place to live in and animals must be innovative to survive. The adults will pass these skills onto the young calves.

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Elephants have a wonderful group dynamic. They work collectively for the survival of the herd. As large as they are they are amazing coordinated and use their feet and trunks to perform tasks that you would think they would be incapable of. However, if you are a young calf, drinking all that water can be exhausting and sometimes you just need to get off your feet.

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Fortunately, we were able to spend about 20 minutes with this herd before they had all drank from the water hole and began moving on. This group of seven consisted of 2 calves, juveniles (male and female) and adults. We never get tired of seeing and photographing elephants.

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Giant Mantas of San Benedicto Island

The focus of our trip was to photograph the giant mantas (Manta birostris) at San Benedicto Island in the Revillagigedo Archipelago. These are the largest mantas in the world and can be more than 20 feet (6 meters) across and weigh up to 3,500 pounds (1600 kilograms). The dive site called “the Boiler” is a cleaning station for these mantas where fish remove parasites from their bodies. Consequently, this site provides the best opportunities to see and photograph these gentle giants.

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Giant manta with two remoras attached. San Benedicto Island, Mexico.

The Revillagigedo Archipelago lies approximately 390 kilometers (240 miles) off the coast of Cabo San Lucas in Mexico. These Pacific islands are more commonly referred to as the Socorro Islands. Aboard the Southern Sport, we dove 3 of the 4 islands (Roca Partida, San Benedicto, and Socorro).

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“The Boiler” has the best encounters in the Revillagigedo Archipelago, Mexico.

A color variant from the more common black and white manta is an all black or nearly all black manta. It is not a different species of Manta birostris. However, it is exciting when one showed up as it looks so different.

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The “black manta” is a color variant of the Manta birostris. Pacific ocean, Mexico.
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Both color variants are shown here. San Benedicto Island, Mexico.

San Benedicto is the island for the giant mantas. They are used to divers and show no fear of people. They swim It seems a bit surreal, even a few weeks after our encounter with them, to have had huge mantas swim within a few meters of us. 

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What do they think of us when we look into each other’s eyes? “The Boiler”, Mexico.
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Pair of mantas (Manta birostris) at San Benedicto island, Pacific ocean, Mexico.
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“The Boiler” at San Benedicto Island, in the Revillagigedo Archipelago, Mexico.

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Crevice Weaver Spider (Kukulcania) In Baja California Sur, Mexico

Mystery solved thanks to Spider ID! We stumbled across a large tarantula a few weeks ago that we definitely identified as a Baja tarantula. However, over the last number of days, we have been photographing this spider but couldn’t positively identify it. We were told it was a tarantula but we have discovered that although it is commonly misidentified as a tarantula, it is actually a female Crevice Weaver Spider (Kukulcania).

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There are about 8 individual spider webs like the one below across a 30-foot wide volcanic rock outcrop. It is smaller than the Baja tarantula with the body segments about 1 inch (2.5cm) not including the legs.

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The two pictures below were taken on a sunny day which makes the spider look darker. The second picture is a close-up to highlight the eyes.

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This spider came out of his den to investigate what was caught in his web. It attacked the beetle, I assume biting it, spun some web and went back in its den. The whole encounter lasted less than 45 seconds and was fascinating to watch.

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Isolated San Javier Mission From 1744 Still In Use

Nestled in the tiny remote village of San Javier is a Jesuit mission called Mision San Francisco Javier de Vigge-Biaundo, or San Javier Mission. The current building dates back to 1744  and is one of the best preserved and oldest Jesuit missions. It is in remarkable shape considering it has had little restoration. In fact, it is still used as a church today.

The drive takes you on a winding road through the Sierra de la Giganta mountain range offering stunning views of the mountains, canyons, and Loretta Bay far in the distance.  We made the trip on our own with a rental car but you can also take a tour or taxi. From the town of Loreta, the drive takes approximately 35 to 45 minutes (38.6/24 miles).

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It is incredible to imagine how the early Jesuits were able to build such a big structure in this remote location. The builders mined limestone from the surrounding hills and the alter pieces were brought by ship and then horseback and donkey from Loretto Bay to the mission.

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The main altar, as well as the two side altars, are framed with 18th-century oil paintings. The altars were built from gold leaf brought in from Mexico City.

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