Nick Upton / Rooks (Corvus frugilegus) scavenging for food left-overs dropped by tourists in coach park at Motorway service station, Dumfries and Galloway, Scotland, UK, July.
01345758
Jeff Vanuga / Snow coaches at Snow Lodge. Upper Geyser Basin, Yellowstone National Park, Wyoming, January 2008.
01194296
Jeff Vanuga / Tourists loading onto snow coaches at Flagg Ranch, South entrance to Yellowstone National Park, Wyoming, USA