860-291565 - Eastern grey squirrel (Sciurus carolinensis) perched on a branch and watching. A case of melanism. This squirrel is a grey squirrel with a defective pigment gene given by the fox squirrel (Sciurus niger), which makes the colour of its fur darker. Mauricie region. Quebec. Canada

1113-106695 - View of the lighthouse - memorial to the deceased sailors in Murmansk, Russia

1113-105551 - View of a lighted boat and fish in a canal in San Marco at night, Venice, Veneto, Italy, Europe

1113-106625 - Barefoot monks collect early morning food and drink alms (sai bat), Luang Prabang, Luang Prabang Province, Laos, Asia

1113-106696 - View of the lighthouse - memorial to the deceased sailors in Murmansk, Russia

1113-105542 - Large, yellow Swedish house in deep winter, Dorotea, Västerbottens Län, Sweden

1113-106697 - View of the Ostankino TV tower from the Ostankinskiy Pond in Moscow, Russia

1113-106707 - Winter sunset at the North Sea, Dorum, Lower Saxony, Germany

1113-106698 - View of the business and residential center, Moscow-City from the bank of the Moscow River, Russia

1113-105574 - Man walking in the forest in fog and rays of light ,monthshausen, Bavaria, Germany

1113-106624 - Barefoot monks collect early morning food and drink alms (sai bat), Luang Prabang, Luang Prabang Province, Laos, Asia

832-36138 - Icebergs, the darker ones coloured by volcanic ash, Joekulsarlon glacial lake, southern coast of Iceland, Atlantic Ocean

988-67 - Eurasian river otter (Lutra lutra) mother and cub. Cubs often have darker fur than their mothers and for the first few months are much more 'buoyant' in the water. Hebrides, Scotland

83-12261 - Columnar structures, created during cooling of basalt lava, with an intrusion or dyke of darker rock in the foreground, near Bombo Beach, Kiama, south coast, New South Wales, Australia, Pacific