
Mexican long-nosed bats have a taste for agave, their tongues designed to lap up the famous desert plant's nectar during nightly flights. It's not just a means of satisfying taste buds. It's a matter of fueling up for an arduous journey.
The endangered species migrates each summer from Mexico into the southernmost reaches of the United States. Big Bend National Park in Texas is a destination, as is Hidalgo County in New Mexico's Bootheel. It wasn't until last year that DNA evidence helped to add Arizona to the list.