(AP) — In this Feb. 9, 2012 photo, Izzy, an agricultural detector beagle whose nose is highly sensitive to food odors, sniffs incoming baggage and passengers at John F. Kennedy Airport's Terminal 4 in New York.
This U.S. Customs and Border Protection team works to find foods and plants brought in by visitors that are considered invasive species or banned products, some containing insects or larvae know to be harmful to U.S. agriculture. (AP Photo/Craig Ruttle)