Mountain Chickadee at Feeding Array (VIDEO) Cornell University This video is under embargo. Please login to access this video. Caption To test spatial memory, Mountain Chickadees had to find the one feeder out of an array of eight that would give them a seed. Birds who did better at the task showed differences in their genomes when compared to birds who did less well. Credit Vladimir Pravosudov, University of Nevada, Reno. Usage Restrictions Only for use with articles about this research. License Licensed 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.