Gray Whale (IMAGE) SeaWeb Caption Gray whales (Eschrichtius robustus) return from Arctic feeding grounds to lagoons in Mexico each winter to give birth. New genetic results indicate that in the past, the number of whales returning to these lagoons may have been much larger. Photo location: Laguna San Ignacio, Mexico. Credit Geoff Shester Usage Restrictions Please provide photo credit (Photo Credit: Geoff Shester) 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.