Birds

Starlings in the Scottish Borders...Tens of thousands of starlings start their murmuration, with Criffel mountain in the background, as dusk falls near Gretna Green on the England and Scotland border. PRESS ASSOCIATION Photo. Picture date: Wednesday November 5, 2014. The reason for the beautiful spectacle is not definitively known, with theories ranging from a defence mechanism against predators to attracting more birds to join their roost. See PA story ENVIRONMENT Starlings. Photo credit should read: Owen Humphreys/PA Wire

Owen Humphreys/PA

Tens of thousands of starlings start their murmuration, with Criffel mountain in the background, as dusk falls near Gretna Green on the England and Scotland border. The reason for the beautiful spectacle is not definitively known, with theories ranging from a defense mechanism against predators to attracting more birds to join their roost. 

Pink footed geese take off to feed from Montrose Basin on November 5, 2014 in Montrose, Scotland. Staff and volunteers at the Scottish Wildlife Trust have recorded more than 78,000 geese arriving to spend the winter in the reserve, eclipsing a previous record, set in 2010, which saw 65,060 geese arrive at the nature reserve.

Jeff J Mitchell/Getty Images

Pink-footed geese take off to feed from Montrose Basin on Wednesday in Montrose, Scotland. Staff and volunteers at the Scottish Wildlife Trust have recorded more than 78,000 geese arriving to spend the winter in the reserve, eclipsing a previous record set in 2010

Doves  sit  on  cables at   a former lignite surface mining area in  Grosspoesna near Leipzig, central Germany.

JensMeyer/AP

Doves sit on cables at a former lignite surface mining area in Grosspoesna near Leipzig, central Germany.

A woman feeds birds on the banks of the Rhone river in Lyon, central-eastern France, on October 23, 2014.

Jeff Pachoud/AFP

A woman feeds birds on the banks of the Rhone river in Lyon, central-eastern France, on Thursday.

A gallery assistant stands next to 'Language of The Birds' by Anselm Kiefer, which forms part of a major new exhibition at the Royal Academy of Arts, in London.

Justin Tallis/PA

A gallery assistant stands next to ‘Language of The Birds’ by Anselm Kiefer, which forms part of an exhibition at the Royal Academy of Arts in London

Policemen and volunteers release eagle owls after their recovery from injury, in Cangzhou, Hebei province...Policemen and volunteers release eagle owls after their recovery from injury, in Cangzhou, Hebei province, July 10, 2014. About 36 of these injured rare birds were sent back to the wild after receiving treatment for their injuries, according to local media. REUTERS/China Daily (CHINA - Tags: ANIMALS SOCIETY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA

China Daily/Reuters

Policemen and volunteers release eagle owls after their recovery from injury, in Cangzhou, Hebei province in China. About 36 of these injured rare birds were released back into the wild after receiving treatment for their injuries, according to local media

A rag picker sorts through garbage, picking out recycable materials to sell, as birds hover and a dog sleeps at the Ghazipur landfill site in the east of New Delhi, India, on Friday, May 30, 2014. New Delhi, whose population will reach almost 21 million by 2015, generates 8,000 tons of garbage a day. Trash is not separated between organic and inorganic materials -- everything from leftover food to batteries and beverage cans goes into Indian bins -- hurting efficiency and raising toxic emissions.

Udit Kulshrestha/Bloomberg

A rag picker sorts through garbage, picking out recyclable materials to sell at the Ghazipur landfill site in the east of New Delhi, India, on Friday

Seagulls search for worms as a farmer ploughs his field in the East Yorkshire countryside on March 25, 2014 in Goole, United Kingdom

Christopher Furlong/Getty Images

Seagulls search for worms as a farmer ploughs his field in the East Yorkshire countryside on March 25, 2014 in Goole, United Kingdom 

A Nepalese resident feeds pigeons in Durbar Square in Kathmandu on January 9, 2014. Home to the palaces of Malla and Shah kings who ruled over the city, Durbar Square is listed as a UNESCO world heritage site.

Prakash Mathema/AFP

A Nepalese resident feeds pigeons in Durbar Square in Kathmandu on Thursday. Home to the palaces of Malla and Shah kings who ruled over the city, Durbar Square is a Unesco world heritage site

Storks fly over a meadow near Garding, n...Storks fly over a meadow near Garding, northern Germany, on September 20, 2013.      AFP PHOTO / DPA / CARSTEN REHDER / GERMANY OUTCARSTEN REHDER/AFP/Getty Images

Carsten Rehder/AFP/Getty.

Storks fly over a meadow near Garding, northern Germany on Friday.