Largest prehistoric mammals

After the extinction of the dinosaurs, approximately 66 million years ago, the rise of mammals has begun. There were mammals on earth before that date, but after the Cretaceous-Paleogene (K-Pg) extinction event (a mass extinction of some three-quarters of the plant and animal species on Earth, including all non-avian dinosaurs), mammals took over the medium- […]

Top 22 most powerful bite forces in carnivore land mammals

Bite force is an important property of carnivore ecology because these amazing animals need to kill their prey as easily as possible, and the bite force is a vital factor in this context. Here are the top 22 most powerful bites in carnivore land mammals. The values below are average bite forces at the canine […]

Humpback Whale Thanks to its Rescuers After Being Freed From Nets

An amazing and wonderful video that I came across a few years ago: Michael Fishbach, co-founder of The Great Whale Conservancy, his family and friends rescued a Humpback Whale from fishnets, and after being freed, the whale shows amazing appreciation to the rescuers. The Great Whale Conservancy was launched in 2010 to advocate for the […]

Top 5 largest prehistoric cats

Like all prehistoric counterparts of today’s animals, the prehistoric cats were usually larger, heavier and more robust than today’s felines. Here are the top five largest prehistoric cats. For comparison, male African Lions sometimes exceed 250 kg (550 lb) in weight. Reported body measurements in males are head-body lengths ranging from 170 to 250 cm […]

A giant prehistoric crocodile discovered in the Sahara: Machimosaurus rex

National Geographic grantee Federico Fanti and his research team have unearthed a sea-dwelling crocodylomorph (a teleosaurid) skeleton in southern Tunisia, in the Sahara desert: Machimosaurus rex. It is the world’s largest marine crocodyliform and was previously unknown to science. Its length is estimated at more than 30 feet (9.14 meters). The giant was probably weighed […]

The shark that glowing in the dark has been announced as a New Species: the “Ninja lanternshark”

In 2010, during an expedition of the Spanish research ship Miguel Oliver, the researchers from the Smithsonian Tropical Research Institute discovered a new type of shark in the Pacific Ocean near Central America, off the coasts of Nicaragua, Panama and Costa Rica. The shark was glowing in the dark. Now it is officially a new […]

If Earth’s life time was the distance from Los Angeles to New York City

Our old planet, the Earth is 4.54 billion years old. In fact, the human mind can no longer make any sense of large numbers like that. Numbers like 1, 2, 14, 20, 50 are all quantities that we encounter quite frequently in our daily lives. And our brain evolved to conceptualize numbers like that: our […]

Hybrid Big Cats

Four of the five species of the big cats (the Panthera genus – lion, tiger, leopard, jaguar and snow leopard), the exception being the snow leopard can hybridize with each other to produce numerous hybrids. In fact, breeding of two different pantheras to produce hybrid big cats has been banned in many zoos and animal sanctuaries […]

Your Life On Earth (presented by BBC)

A nice interactive webpage by the BBC – The British Broadcasting Corporation: how you and the world have changed since you were born? You’re simply entering your birth date, gender, and height; selecting units (metric or imperial/US) and then watching how our planet (and you) has changed in your lifetime.