The lesser long-nosed bat feeds on nectar and pollen from cactus flowers. (Photo by Winifred Frick) The pallid bat mainly feeds on insects, but is also an effective pollinator of cardon cactus flowers ...

Visitors to Mexico and the U.S. Southwest can't help but stand in awe of the solitary and majestic saguaro, the towering clusters of the organ pipe cactus and Baja's cardón, the appropriately named ...

Deserts are hostile to life - temperatures soar and plummet, and water, the stuff of life, is rare. Yet even here plants find a way. A young Saguaro Cactus is vulnerable, and extreme heat can fatally ...

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 ...

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 ...

Biologists continue to debate the genealogy of the cactus family, even differing by a factor of 10 about how many different genera there are. A study based on new genome sequences of four columnar ...