40 Mesmerizing Wildlife Photos From Around The Globe By Daniel Rosengren

"This photo means a lot to me. Not only did the lions position themselves in a perfect circle around a wildebeest kill, but the BBC used the photo in the magazine Radio Times and quoted no one less than David Attenborough on it. The quote was 'The visual is always more powerful than words.'

To have those words by Sir David Attenborough himself on my photo made me very proud and honoured."

"The sea otter is a very interesting animal. Weighing up to 45 kg (99 lb), it is the largest member of the weasel family. Unlike other marine mammals like whales and seals, sea otters have no blubber to keep them warm. Instead, they have the densest fur of all mammals, with about 150,000 hairs per square centimetre (almost a million per square inch)!!! The fur is so dense that the water never reaches the skin.

Sea otters are able to live their whole life at sea without ever coming to land (though they can). They hunt, feed, mate, give birth and nurse their young in the water. After birth, the mother spends a lot of time grooming the newborn to the point that the fur is so fluffy and full of air that the pup floats like a cork, unable to dive.

They also use rocks as tools to pry prey off rocky cliffs and to crush shells on their belly while at the surface. They even have a pouch in their skin where they transport this rock and food. The sea otters can drink seawater and have extra-large kidneys that deal with the high salt levels.

These animals are extremely important for some marine ecosystems. When their numbers were decimated during the hunt for their fur, whole ecosystems collapsed. This is because the otter eats sea urchins that, in turn, eat kelp. When there are no otters to control the sea urchin populations, the whole kelp forest disappears. That is, of course, devastating for all animals that depend on the kelp.

Kenai Peninsula, Alaska, USA."

"Lionesses in the same pride often sync the birth of their litters. This is practical as they then will have more or less the same size cubs with similar needs and can move at the same speed. Lionesses will also suckle each other's cubs.

Should it happen that they are out of sync, and some females have much larger cubs, it is not unusual for the pride to temporarily split up into smaller groups with the same size cubs in each subgroup.

Serengeti National Park, Tanzania."

"The stunningly beautiful caracal. This cat is an excellent jumper and often catches birds in flight.

Photographed in Serengeti National Park, Tanzania."

"A young lion in a tree photographed with a wide-angle lens in Serengeti National Park, Tanzania."

"Butterflies often land on turtles' heads to drink their tears for the minerals. I've also seen them land on caimans and anacondas for the same reason. "

"The elegant serval looking back. The large ears are very sensitive to sounds and can pinpoint small rodents with precision.

Serengeti National Park, Tanzania."

"A nice mud bath both cools you down and protects against biting and annoying insects.

African Buffalo in Serengeti National Park, Tanzania."

"I spent 5 years living in central Serengeti and working with lion research. Being able to recognise individuals was key for this work. The "fingerprints" of lions are their whisker spots. If you look closely at this image, you'll see some more or less straight lines of whisker spots above the mouth.

Above the top line, there are a couple of spots (in this case) and these are the ones to look at and their positioning in relation to the top line. These are different on the other side of the face and unique to each lion. In any given year, I had about 300 different lions to keep track of, so making individual ID-cards and noting down the whisker spot patterns along with other distinct characters was necessary.

After a couple of years, I started recognising many of the lions without having to look at their whisker spots. Just like when you see people you know, you don't have to search for a special feature, you just recognise them anyway."

"I found two impalas stuck in a muddy part of the Seronera River in the Serengeti National Park. One was a fully grown male, and the other (seen in this photo), a young male. They were close to solid ground, so I could reach for their horns and pull them out. They couldn't have been stuck for long, because they still had a lot of energy to struggle from my grip. First out was the young one. When I let go, he ran off full speed, straight out in the mud again. Because of the high speed, he was now far out, away from my reach. After also pulling up the adult male, I hesitated a bit, letting go of the long, pointy horns. He was feisty and I didn't want one of those horns to pierce me. So, as I let go, I pushed him away from me at the same time and he ran off to safety. Two friends of mine happened to drive by and saw what I was doing. They had a rope that we turned into a lasso. We were terrible at throwing the lasso, but after many attempts, we finally caught it and managed to pull it up on land. By this time, the impala was completely out of energy from struggling in the mud and just lay down panting on the ground. When I came back a little later, he had regained his strength and left."

"A saiga calf, only one or two days old. Don't worry, the rest of the body will grow and catch up with the legs.

Saigas are highly specialised animals that live in central Asia. It is barely visible on a calf, but as it gets older, the nose will resemble the trunk of a tapir. This is an adaptation to extreme temperatures. In summer, when temperatures may reach well over 40 Centigrade (104 Fahrenheit), the inflatable nose helps cooling and humidifying the air before it enters the lungs. In winter, when temperatures may drop below -40 Centigrade (-40 Fahrenheit), the nose cavity is used to warm up the air before it enters the lungs. Saigas are also one of the fastest land animals on earth, reaching speeds of 80 km/h (50 mph) and can maintain a high speed for long distances.

Photographed in Altyn Dala NP, Kazakhstan."

"Sometimes animals do what they are not supposed to.

When I worked with lion research in the Serengeti National Park, these lion cubs crawled under my car to make use of the shade. I reached down with my camera and took a few shots, not knowing if I was aiming right. This was the result."

"As some of you may have noticed, I haven't posted for a long time. I have been away on two photographic assignments, first two months in Peru, then two weeks in Mozambique.

I will now try to post more often again, starting with this capybara from Peru, accompanied by two bodyguards in black suits—two giant cowbirds. The capybara are the largest rodent species in the world with some individuals weighing over 70 kg (155 Ib), while females are typically a bit larger than males."

"To see a puma in the Amazon rainforest is not easy, but during my last trip to Peru, I was lucky enough to see one. It had emerged from the dense forest and was sitting on a beach by the river Las Piedras, in the Alto Purus area."

"An Egyptian Goose with its little chicks. These birds form couples for life and both females and males take turns incubating their eggs and care for the young. They usually nest in a hole in a tree.

Serengeti National Park, Tanzania."

"A Black-capped Squirrel Monkey as curious about me as I was about it.

Photographed in Bahuaja Sonene National Park, Peru."

"A young leopard tortoise. This species is one of the largest tortoises in the world and can, in extreme cases, reach a length of 70 cm (28 in) and weigh up to 40 kg (88 lb). They can get to 100 years old.

Serengeti National Park, Tanzania."

"A male lion resting on the famous Serengeti plains. Some nearby zebras are staying alert. They know that this particular lion can't catch them without the element of surprise. But where there is one lion, there might be more, and by just running away from him, the zebras might run straight into another hidden lion. So, better stay steady and vigilant."

"A baby bush hyrax sunbathing on top of its mother.

Hyraxes are special among mammals as their internal thermoregulation is poor.

Like reptiles, they depend a lot on ambient temperatures to control their body temperature. That is why they are often seen sunbathing, especially in the mornings. But sitting exposed on rocks like this makes them vulnerable to predators. Therefore, they often have an individual on lookout that will warn the rest in case of danger.

Personally, I prefer their Swahili name, Pimbi. It's such a fitting name.

Serengeti National Park, Tanzania."

"A White-vented Storm Petrel searching for food on the Pacific Ocean surface.

Very little is is known about this species. So far, very few nests have been found. One theory is that the nest in the Atacama desert, the driest place on earth, where a dead chick was found.

Photographed around the Galapagos Islands, Ecuador."