La Selva Biological Station, Costa Rica (image) University of British Columbia Share Print E-Mail Caption University of British Columbia biologists worked across four sites in Central and South America to capture more than 200 individual hummingbirds from 25 species. Credit Aaron Ryskiewicz Usage Restrictions With attribution. Share Print E-Mail 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.