See this week's Animal Tracks for more amazing animal photographs.

Roland Weihrauch / AFP - Getty Images
A swan walks through a green field on April 12, 2011 in Kamp-Lintfort, western Germany. Swans are among the largest flying birds and are native to temperate environments around the World.


I wish the photographer had taken the pictures on the same day in the same month. The comparisons would be more accurate---or believable.