RESEARCH
A TEAM FROM the University of Helsinki (UoH) and Aalto University in Finland studied the history of bird feeder design and found it has changed to focus on keeping unwanted guests away rather than simply feeding birds.
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A TEAM FROM the University of Helsinki (UoH) and Aalto University in Finland studied the history of bird feeder design and found it has changed to focus on keeping unwanted guests away rather than simply feeding birds.
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