Overall winner: Dr Matt Doggett; Gannet Jacuzzi, Scotland; %27Using dead mackerel we attracted a number of gannets,%27 says Matt. %27It looks like chaos but they know exactly where the other birds are%27
Gullible bird: A seagull flies upside down to steal a shrimp from the mouth of an egret. The moment was caught on film by an amatuer photographer in St. Petersburg, Florida
Don't bother counting: An estimated 1.3 million snow geese gather at the reserve, which is a former hunting ground and now an important stopover during their 2,500-mile flight to their breeding grounds in Canada
Artificial horizon: Photographer Mike Hollingshead captures the amazing moment when up to 1.3 million snow geese continue their migration at Squaw Creek National Wildlife Refuge, in northwestern Missouri