Insect abundance (VIDEO) PNAS Nexus This video is under embargo. Please login to access this video. Caption Increasing numbers of biting insects may challenge mountain goats unable to find relief. Glacier National Park. Credit Forest P. Hayes Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.