Scientists Say Nests Of Bearded Vultures Contain Many Clues To The Past

Are these birds guardians of the past? In a way, yes, according to scientists in Spain. They tell CBS News the bearded vulture hasn't inhabited the Sierra Nevada Mountains in quite some time, but the nests they left behind contain valuable information. The fact that these birds of prey nested in caves helped preserve the interesting items they used to pad their nests. Inside Edition Digital’s Mara Montalbano has more.