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Description: ECHO is a remote-controlled robot that silently spies on the penguin emperor colony for scientists. RELATED: Bear family rips through trash in Connecticut woman's yard | USA TODAY bit.ly/3vOdcOI The research is part of the Marine Animal Remote Sensing Lab, designed to measure the health of the Antarctic marine ecosystem. Tracking the penguins also allows scientists to study penguin behavior over time, and see how they adapt as their environment shifts due to climate change. » Subscribe to USA TODAY: bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: bit.ly/35qNC7H » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR. #penguins #antarctica #robot