SANTA CRUZ, CA--Of the two bat species known to visit the flowers of the cardon cactus in Baja California, one depends entirely on nectar and is highly specialized to feed from the flowers, which are ...

During the month of June, the Sonoran Desert of northern Mexico and the southwestern United States is best known for its extreme heat and lack of rainfall. Arizona set the record for the highest known ...

History records that when Spanish Conquistador Hernán Cortés led an expedition in 1535 to what we know today as Baja California, he was greeted by an army of giants — giant cacti, that is. The young ...

In a surprising result, scientists have found that the insect-eating pallid bat is a more effective pollinator of cardon cactus flowers than a nectar-feeding specialist, the lesser long-nosed bat. Of ...