Mapping emperor penguins by satellite

April 13, 2012: Three PGC researchers, together with international collaborators, have published a groundbreaking study that shows there are more than twice as many emperor penguins in Antarctica as previously thought. Co-author and PGC researcher Michelle LaRue hastens to point out that this doesn't necessarily mean the penguin population has grown. Rather, the counting method used in this study — analyzing satellite imagery to measure the population of penguins' remote colonies — provides a higher level of accuracy, and it is likely that previous counts were simply off. The research, LaRue says, provides a baseline for assessing the species' health in the future, and a model for tracking and counting other poorly understood species.

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