Whale Songs’ Changing Pitch may be Response to Population, Climate Changes
[dropcap]W[/dropcap]ASHINGTON— Blue whales around the world are singing a little flat, and scientists may now have more clues as to the reason why. A new study finds there’s a seasonal variation in the whales’ pitch correlated with breaking sea ice in the southern Indian Ocean. The new research also extends the mysterious long-term falling pitch to […]