Grackle dips dog pellets to soften them (VIDEO) McGill University This video is under embargo. Please login to access this video. Caption A Carib grackle at the Bellairs Research Institute in Barbados dunks dog pellets to make them more edible. Credit Louis Lefebvre Usage Restrictions Acknowledge film-maker 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.