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Young black caiman, Tambopata National Reserve, Peru
Young black caiman, Tambopata National Reserve, Peru
Today"s image features a black caiman, South America"s stealthy river giant, in the Tambopata National Reserve, Peru. These caimans are the largest species in the alligator family, growing up to 6 metres and weighing more than 450 kilograms. What sets them apart is their dark green colour, which helps them blend into the murky depths. These carnivorous creatures thrive in freshwater environments such as slow-moving rivers, lakes and seasonally flooded savannahs. From these waters, they hunt for birds, fish, turtles and occasionally big mammals. Black caimans play an important role in making sure ecosystems stay balanced by keeping their prey"s populations under control. Fewer caimans mean more piranhas, which attack cattle, and more capybaras, which cause crop damage.Desktop Version
The butterfly effect
The butterfly effect
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Shark Awareness Day
Shark Awareness Day
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World Bee Day
World Bee Day
We"re really buzzing: today is World Bee Day! This event is a chance to celebrate these winged insects and the vital role they play in biodiversity and agriculture. Bees come in a range of sizes, from just 0.20 centimetres all the way up to 3.9 centimetres, and there are over 20,000 known species. They are one of the most important pollinators in the world. They help keep trees, flowers and crops alive, which helps secure food chains as well as boosting biodiversity by keeping a wide range of plants alive. It"s no overstatement to say that bees are vital for humans" survival.Desktop Version
The 80th anniversary of D-Day
The 80th anniversary of D-Day
Eighty years ago, on the beaches of Normandy, northern France, an event unfolded that would alter the course of history. The day was June 6, 1944, a date forever etched in time as D-Day. It marked the launch of Operation Overlord, the ambitious Allied invasion of western Europe that became a turning point in World War II. The audacious assault by sea, air and land involved nearly 160,000 troops mainly from the USA, Britain and Canada.Desktop Version
A shallow sea
A shallow sea
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Aerial view of Plaza Mayor, Madrid, Spain
Aerial view of Plaza Mayor, Madrid, Spain
Seen from above, the uniform arcades and tiled rooftops of Plaza Mayor in Madrid—the capital of Spain—create a captivating architectural harmony. Once the site of a bustling market square known as the Plaza del Arrabal, this historic space has witnessed the city"s transformation over the centuries. The shift began in 1561, when the plaza came under Madrid"s jurisdiction after the royal court moved from Toledo. Inspired by a vision of order and grandeur, King Philip II reimagined the square—though construction did not actually begin until 1617, under the reign of Philip III.Desktop Version
The sprout with amazing potential
The sprout with amazing potential
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Living in harmony
Living in harmony
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Mona Vale rockpool, Sydney, Australia
Mona Vale rockpool, Sydney, Australia
Ever wanted to swim in the ocean without accidentally tasting half of it? Enter Mona Vale rockpool in Sydney, Australia—a watery paradox where the ocean is wild beyond the walls and well-behaved within its calm, contained edges. Perched between two beaches—The Basin beach and Mona Vale Beach—this rock pool feels more like a natural wonder than a man-made one. Built in the 1930s during the Depression, it was carved out of a natural rock shelf as part of an unemployment relief scheme. Upgraded over time, the pool is approximately 30 metres long and flanked by a smaller children"s pool. The pools were also used by large numbers of World War II troops who camped nearby. They are free, open year-round and cleaned regularly by both council crews and the ocean itself. So next time you are in Sydney, make a splash where the waves meet the wall. It"s a shore thing.Desktop Version
The mountains are calling
The mountains are calling
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Finnish Independence Day
Finnish Independence Day
Happy Independence Day, Finland! On this day in 1917, the Nordic nation declared its independence from Russia. Finland had been a grand duchy of the Russian Empire since 1809, and it was part of the Swedish Empire for the previous 600 years. However, during the Russian revolutions of 1917, Finnish nationalists saw their chance to establish an independent nation. After several months of negotiations, Finland declared independence on December 6.Desktop Version
Paranormal activity?
Paranormal activity?
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An iris garden in Tokyo, Japan
An iris garden in Tokyo, Japan
Flower viewing is a beloved tradition in Japan, with each season bringing its own natural spectacle. Just as the last sakura (cherry blossom) petals drift away, Tokyo"s gardens start gearing up for their next big show: the iris bloom. Featured here is an iris garden in Tokyo. The iris is a flowering plant genus that has 310 recognised species, known for their bold and beautiful blossoms. The genus is named after the Greek word "îris", meaning "rainbow," which is also the name of the Greek goddess of rainbows.Desktop Version
World Penguin Day
World Penguin Day
Cute, clumsy and completely captivating, penguins steal the show today. World Penguin Day is all about celebrating these flightless birds while raising awareness about their habitats. This day originated at McMurdo Station, an American research centre on Ross Island in Antarctica, where scientists observed Adélie penguins starting their yearly migration around this time. Inspired by this natural event, the observance was created to shed light on penguins" role in the ecosystem, the threats they face and the urgency of protecting their habitats.Desktop Version
World Environment Day
World Environment Day
Happy World Environment Day! First celebrated back in 1973 with the theme "Only One Earth", this event, organised by the United Nations, is all about encouraging people to help protect the environment. It is celebrated in over 143 countries around the world. This year"s theme focuses on land restoration, desertification and drought resilience.Desktop Version
Patriot Day
Patriot Day
On September 11, Patriot Day is observed as a national day of service and remembrance to honor the 2,977 people who died in the attacks on the United States in 2001. Congress established the day in 2002 with bipartisan support, and ever since, US government buildings, both domestic and abroad, fly the American flag at half-staff. Many citizens and businesses do the same in remembrance. Patriot Day also honors the hard work and sacrifice of the first responders who bravely put themselves in harm"s way in the hours and days after the attacks.Desktop Version
International Day for Monuments and Sites
International Day for Monuments and Sites
Imagine a world without the pyramids, the Great Wall or ancient cave cities—hard to picture, right? That"s why April 18 is the International Day for Monuments and Sites, an event recognised by UNESCO dedicated to protecting cultural treasures worldwide. This day is all about celebrating our history, raising awareness about endangered sites and making sure future generations can enjoy them too. A remarkable example is Göreme Historical National Park in Cappadocia, Türkiye. It"s famous for its "fairy chimneys"—towering rock formations shaped by volcanic ash and erosion over thousands of years. People even carved homes, churches and entire underground cities into these soft rock formations, some dating back to the 4th century. Today, it"s a UNESCO World Heritage Site, attracting visitors from around the world.Desktop Version
Przewalskis horses, Hustai National Park, Mongolia
Przewalskis horses, Hustai National Park, Mongolia
The Hustai National Park in Mongolia is home to a very special and rare breed of horse, Przewalski"s horse. This equine species, which is regarded as the only truly pure wild horse today, is easily recognised by its pale yellowish-brown coat, a short, stiff mane and short legs. The Przewalski"s horse, also called "takhi" in Mongolia, was once extinct in the wild but has been successfully reintroduced through conservation efforts in the 1990s. An interesting fact about these horses is that they have 66 chromosomes, compared to 64 in domestic horses. Remarkably, Przewalski"s horses can mate with domestic horses to produce hybrids. These hybrids have 65 chromosomes and can breed and have their own offspring.Desktop Version
Skyscraper Day
Skyscraper Day
Skyscraper Day pays tribute to the towering architectural wonders that dominate our city skylines. Observed on September 3, it also marks the birthday of Louis Henry Sullivan, a pioneer of modern architecture who is often called the "father of skyscrapers." Found in the world"s biggest cities, skyscrapers serve as symbols of progress, ambition, and reaching new heights. Manhattan, the dense, vibrant heart of New York City, boasts a mesmerizing skyline with an array of iconic skyscrapers. These structures, like the Empire State Building, One World Trade Center, and the Chrysler Building, define the city"s architectural and cultural legacy and captivate millions of visitors every year.Desktop Version
Walking a rocky rainbow
Walking a rocky rainbow
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An island park
An island park
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Heavenly hot springs
Heavenly hot springs
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Black bear cub emerges into spring
Black bear cub emerges into spring
Welcome to the world, bear cub! After spending the first months of its life inside the den, this frizzy American black bear child may be puzzled by the outside world. The cubs are born between January and February, but they don"t leave their den until about mid-April or the beginning of May. When the young bears emerge into spring, they weigh around 2 kilograms and grow to about 36 kilograms by their first birthday. The weight of black bears—ranging between 45 and 272 kilograms in the case of adults—however, not only depends on their age, sex and the season but is also based on the diet available in their habitation. Black bears are the only bears found in Shenandoah National Park in Virginia, which provides the setting for today"s image.Desktop Version
Aït Benhaddou, Morocco
Aït Benhaddou, Morocco
Are you looking for sandy charms? Come to Aït Benhaddou, Morocco, situated along the old caravan route linking the Sahara to Marrakesh. This UNESCO World Heritage Site showcases Moroccan earthen clay architecture, a building technique that uses sun-dried mud to make structures. Although none of the buildings here are believed to predate the 17th century, they are constructed using techniques and styles that are much older.Desktop Version