Finding elusive emperor penguins: Both surveyors and satellites needed to study remote penguin populations

Field surveys and satellites complement each other when studying remote penguin populations. Penguins residing on Antarctica's ice sheets must face moving, breaking, and shifting ice. Accurate monitoring of population trends is critical to understanding the ongoing rapid changes in Antarctic ecosystems. However, the remoteness and logistical complexity of operating in Antarctica, especially during winter, can make such an assessment difficult.

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