Photos: How zoo animals predicted a D.C. quake

About five to ten seconds before the quake, many of the apes abandoned their food and climbed to the top of the tree-like structure in the exhibit.  (Karen Bleier/Getty)

The Zoo has a flock of 64 flamingos. Just before the quake, the birds rushed about and grouped themselves together. They remained huddled during the quake.  (ROBYN BECK/AFP/Getty)

About three seconds before the quake, a gorilla named Mandara let out a shriek and collected her baby, Kibibi, and moved to the top of the tree structure.  (Karen Bleier/Getty)

Iris, an orangutan, began ¿belch vocalizing¿¿an upset noise normally reserved for extreme irritation¿before the quake and continued after the quake.  (Chip Somodevilla/Getty)

According to zookeepers, the giant pandas did not appear to respond to the earthquake.  (Karen Bleier/Getty)