A beagle named Elvis is being used by a zoo in Cincinnati to identify pregnancy in polar bears. According to reports, the Beagles' incredible sense of smell make them one of the best animals for use in sniffing out explosives and other substances. The zoo in Cincinnati is now using Elvis to detect pregnancy in polar bears by detecting certain proteins inside bear feces. When the proteins is present Elvis reacts by sitting down.
According to reports, the dog has so far shown 97% accuracy in positive identification of samples from pregnant bears.
