Male Rock Ptarmigan before moulting for winter on an autumn day. Image by Tarpan via Depositphotos. The Ptarmigan (Lagopus muta) is an alpine bird specially adapted to live in high altitudes. Similar ...
Animals are disappearing at hundreds of times the normal rate, primarily because of shrinking habitats. Their biggest threat: humans. No trace of the wild South China tiger, Panthera tigris ...
The red, windswept sand of Sossusvlei, in the Namib Desert, Namibia, where deep rooted vegetation has adapted to survive the harsh conditions. The largest sand dune in the park, known as Dune 45, or ...
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