Sound on to hear what a blue whale sounds like filling her lungs before vanishing back into the depths with her calf. Breath is something many of us take for granted, often not realizing that between 50 to 80% of Earth’s oxygen comes the ocean— specifically from phytoplankton, marine plant life, and algae. Great cetaceans like blue whales play a key role in supporting these invaluable ecosystems, providing critical nutrients through their excrement across the water column throughout their vast m

Blue whale vocalizations are very low frequency sounds with some in the 15 Hz range. These tones characteristically travel long distances due to the high power, but also due to very long-wavelengths (over 300 feet for 15 Hz). This enables their songs to be heard thousands of miles from the source. We can assume that the projection distance is important (Nature can be extravagant, but she is never wasteful), but we can only speculate why they need to broadcast their songs across ocean basins. The