Carlsbad Caverns volunteers seek answers on cave swallows in 35-year amateur study You'll be asked to be quiet. And in the quiet you can hear a sharp whistle, a rapid chattering and high noted squawks, as small swift bodies flit here and there at the natural cave entrance of Carlsbad Caverns. Most novices would assume these flighty bodies were the popular and well known Mexican freetail bats, but they would be mistaken. The aerial acrobats are one of the Caverns' lesser known ...
July 28, 2013 - Carlsbad Current-Argus