Crocodiles are aquatic reptiles, and among the most feared carnivores on Earth, because of their size, big powerful jaws and aggressiveness. They are so successful predators – once they were living alongside the dinosaurs. After the Chicxulub impact, which happened around 66 million years ago, the non-avian dinosaurs were gone but crocodiles were managed to survive. Here are top 20 amazing crocodile facts about these fascinating beasts.
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On September 27, BBC has published the prequel of “Blue Planet II”. Like “The Blue Planet”, which was premiered on 12 September 2001, it is narrated by Sir David Attenborough, the English broadcaster and naturalist. The exclusive track developed by the German composer and record producer Hans Zimmer and the English rock band Radiohead.
Continue reading Blue Planet II – The Prequel by BBC
Birds (Aves) range in size and weight from the 5 cm (2 in) and 1.6-2 grams bee hummingbird to the 2.75 m (9 ft) and 104-156 kg (229-344 lbs) ostrich. Here are the top 15 largest birds in the world (by body weight).
Birds form one of six basic animal groups, with the others being amphibians, fish, invertebrates, mammals and reptiles. They are endothermic vertebrates, characterized by feathers, toothless beaked jaws, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton. They reproduce by laying of hard-shelled eggs (eggs fertilize inside the female). The fossil record indicates that birds are the last surviving group of dinosaurs. So, they are also termed avian dinosaurs.
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Identifying the largest dinosaurs ever lived isn’t an easy task, because it’s very rare to unearth a complete fossil. Furthermore, only a tiny percentage of these amazing animals ever fossilized, and most of these “lucky” bodies will remain buried underground forever. So, we may never know exactly what dinosaur was the biggest (or the tiniest) ever.
Despite this fact, size always has been one of the most interesting aspects of these prehistoric animals. There are extreme variations in their size, from the tiny hummingbirds, which can weigh as little as three grams, to the titanosaurs, which could weigh as much as 70 tonnes, or even more.
Here are some of the largest dinosaurs ever lived.
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An amazing video published by RedBull channel: with that 360° HD Interactive video, you can explore the Northeastern Italy’s Dolomites from an eagle’s point of view.
Continue reading Dolomites from an Eagle’s Point of View (360° HD Interactive Video)
In the last few years, a series of photos circulating over the Internet via email and online, usually with the title of “Man Who Befriended a Great White Shark”, showing close encounters between a man and a great white shark. The sites who publish these photos (and sometimes PowerPoint presentations) claim that an Australian fisherman named Arnold Pointer once freed a great white shark from a fishing net, and the shark has followed him around ever since.
Continue reading Man Who Befriended a Great White Shark – Not a True Story
Here are the top six largest living fish species (within around 33,100 described species).
But, first of all, what is a fish? At first, it looks like an easy question, but in fact it is not. There are a wide range of animals we call “fish”, so it is not easy to define what makes a fish “a fish”. A general description: “a fish is any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits” (wikipedia).
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Another unique and interesting friendship between a wild reptile and a man, like the famous story of Chito and Pocho. This Japanese man, named Nobumitsu Murabayashi, keeps a giant caiman as a pet, and even walks with him in the town center of Kure City, Hiroshima, Japan – with the permission of the city hall.
Continue reading Japanese Man Lives With Pet Caiman
Around 4 millions year ago, the ancestors of humans and chimpanzees diverged, genetic evidence suggests. What, if Chimpanzee–human last common ancestor(1) would suddenly die before giving birth to any babies? What would the Earth be like if humans never existed?
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Now we have a computer simulation of how the afterward effects of famous Chicxulub asteroid (estimated to be 10 km/6.2 mi) wide) killed the non-avian dinosaurs (and also a wide range of other species). On January 13, 2017, an article titled “Baby, it’s cold outside: Climate model simulations of the effects of the asteroid impact at the end of the Cretaceous”, published by the Climate scientists of Potsdam Institute for Climate Impact Research (PIK), revealed a detailed model of what happened to the atmosphere and the climate after the Chicxulub impact.
Continue reading How the darkness and the cold killed the (non-avian) dinosaurs