Clamor under the sea

Spinal Tap - Volume 11We are terrible neighbors. Ask the dolphins.

The world’s oceans are getting noisier, humming with the near-constant sounds of ship engines, seafloor mining, and oil and gas exploration. Now, a new study published in the journal Biology Letters has found that dolphins are being forced to simplify their calls in order to be heard over the noise.

[…]

Dolphins are highly social animals and use their calls to stay together as a group, talk as they feed, and call out their names when they meet new members of their species. Each animal has a distinctive whistle, which typically uses complex sound patterns with variations in pitch and frequency.

It’s not just our planet.

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