When it comes to African wildlife, few things capture the imagination like the Big Five animals. I still remember the first time I saw a rhino. It was about 20 years ago, and I was on my first ever ...

It’s not easy being big. That’s the conclusion executive producer Tom Hugh-Jones (“Planet Earth II,” “Night on Earth”) and producer Bill Markham (“Wildest Latin America,” “Animal”) came to when ...

Unlike humans and many other animals, snakes don’t chew their food. They swallow their prey whole, which can include animals much larger than you might expect, such as deer, goats, and even crocodiles ...

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In the 1800s, when blood sports were more socially acceptable, the term “Big Five” was coined to refer to the lion, rhino, buffalo, elephant and leopard – the animals that trophy hunters in Africa ...

Forget safaris, there’s a new 'big five' to see in the wild. From pandas and kangaroos to whales and koalas, research ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...

For animals that weigh more than a tonne, the difficulty of staying cool while travelling over long distances is the key limiting factor for their speed, regardless of whether they run, swim or fly, ...

Bigger animals live longer and have more cells that could go awry, so we would expect them to have a greater risk of ...