The shrill scream of Tasmanian devil (Sarcophilus harrisii), Tasmanian icon in Trowunna Wildlife Sanctuary, Tasmania, Australia, Pacific

Shrill Carder Bee (Bombus sylvarum)

Jember Fashion Festival and Carnival, East Java, Indonesia, Asia

Jember Fashion Festival and Carnival, East Java, Indonesia, Asia

Old soviet tank coloured in funky colours, Bamyan, Afghanistan, Asia

Old soviet tank coloured in funky colours, Bamyan, Afghanistan, Asia

Crowds at the Loveparade 2010, Duisburg, North Rhine-Westfalia, Germany, Europe

Street art and graffiti on red brickwork, Kreuzberg, Berlin, Germany, Europe

Old soviet tank coloured in funky colours, Bamyan, Afghanistan, Asia

Mantled howler (Alouatta palliata) adult male howling on his territory, Pacific coast, Costa Rica

Timberwolf howling

Pack of wolves howling (Canis lupus) on snow, captive, Sumava National Park, Bohemian Forest, Czech Republic, Europe

Pack of wolves howling (Canis Lupus) on snow, captive, Sumava National Park, Bohemian Forest, Czech Republic, Europe