Teamwork might seem like a complicated subject, but to some creatures, it comes naturally as a way to survive and expend the least energy.
According to a BBC News story, scientists taped heart monitors to great white pelicans. These birds had been trained to fly behind a light aircraft and a boat, and a team was able to observe them during their flight.
Pelicans fly in a "V" shape, and they flap their wings in time with their leader. Scientists, able to observe and gather data from the heart monitors, found that the birds' heartbeats were lower when they flew in formation than when they flew solo.
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