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Whale migration in our noisy oceans
Credit: Pixabay/CC0 Public Domain The long-distance migrations performed by groups of animals offer some of the most spectacular natural phenomena on our planet. While environmental cues—like celestial information and the Earth’s geomagnetic field—help orient animals en-route, in a migrating group each individual is believed to benefit further from the ‘wisdom of the crowd.” If we look at humans, a steady stream of supporters walking to a football match before kick-off can be enough to find your way to the stadium, without the need for your phone. Other animals are the same. In our research, we mathematically modeled the impact that human-driven noise pollution has on whales as they migrate. The…