Sharon Beals is a San Francisco based photographer who has photographed nest and eggs specimens collected over the last two centuries at The California Academy of Sciences, The Museum of Vertebrate Zoology, and The Western Foundation of Vertebrate Zoology. While few nests are collected today, these nests and eggs are used for research, providing important information about their builder’s habitats, DNA, diseases and other survival issues.

An installation consisting of a series of bird boxes is displayed in a tree in Duncan Terrace Gardens in Islington on March 24, 2011 in London, England. The boxes by artists Bruce Gilchrist and Jo Joelson of “London Fieldworks”, were designed to reflect the architecture of the Georgian terraces and flats that surround the park in the community gardens. (Photo by Dan Kitwood/Getty Images)

Migrating gray cranes, on November 30, 2009 around the Hula Lakes in northern Israel. (Photo by Uriel Sinai/Getty Images)

Look at the image for long enough and you can make the train change direction simply by thinking about it. Freaky.

Yann Arthus-Bertrand (born March 13, 1946 in Paris) is a French photographer, journalist, reporter and environmentalist.

Yakushev Grigory is an artist and graphic designer based in Saint Petersburg, Russia. In a parody series entitled Angry Brands, Grigory reimagines famous logos as different angry birds from the popular game.