Birds under threat — A subalpine warbler feeds its chicks at the nest. DeAgostini/Getty Images Birds under threat — A bald eagle flies over Prince William Sound near Valdez, Alaska. In 1989, the Exxon Valdez oil spill decimated local wildlife populations. David McNew/Getty Images Birds under threat — Seagulls fly along the beach in Seaside Heights, New Jersey, a year after Superstorm Sandy damaged the coastal areas in October 2012. Kena Betancur/Getty Images Birds under threat — A rare and endangered California condor in Marble Gorge, east of Grand Canyon National Park in Arizona. David McNew/Getty Images Birds under threat — Puffins return to their summer breeding grounds on the Farne Islands in England. Jeff J Mitchell/Getty Images Birds under threat — An Arctic tern returns to its nest in Inner Farne, England. Dan Kitwood/Getty Images Birds under threat — Pigeons huddle in the snow at St James' Park in central London. Carl Court/AFP/Getty Images Birds under threat — Penguins on Possession Island in the Crozet archipelago, part of the French Southern and Antarctic Lands. SOPHIE LAUTIER/AFP/Getty Images Prev Next
