Every year, one of the most spectacular natural phenomena in Mexico takes place in the forested mountains west of Mexico City. During the fall, colonies of monarch butterflies migrate here from colder northern climates to find warmth and begin their breeding season. These huge flying colonies can contain as many as 20 million monarchs, which make use of air currents to travel as far as 100 nautical miles per day. The monarchs remain in Mexico from around November to March.
Monarch butterflies in Angangueo, Mexico
Today in History
More Desktop Wallpapers:
-
Uncommon clouds are gathering
-
Autumnal equinox
-
Leaves of Grass
-
Legacy mural in Philadelphia
-
Reflecting on fall
-
The lights of Paris
-
Celebrating Take Your Dog to Work Day
-
Knuthöjdsmossen, a nature reserve in Sweden
-
Here, fishy!
-
The circular castle of Cornwall
-
Observing a squirrelly day
-
A throng of ice and spires
-
The meeting point of the winds
-
Mount Logan in Yukon, Canada
-
Asteroid Day
-
International Haiku Poetry Day
-
Eye of the cave
-
Rosa Parks Day
-
Mount Field National Park, Tasmania, Australia
-
Marine Day in Japan
-
Caribou on the move
-
Katahdin Woods and Waters National Monument anniversary
-
Bryce Canyon National Park turns 100
-
Up on the glacier
-
National Library Week
-
Banggai cardinalfish with sea anemone
-
Old Rock Day
-
Kagami-ike, Nagano, Japan
-
Aerial view of a heart-shaped field in Trittau, Germany
-
Constitution Day and Citizenship Day
Bing Wallpaper Gallery

