Lower-pitched Whale Wails May be Good News

Lower-pitched Whale Wails May be Good News

by -
0

blue-whale-noaa.jpgThe great, echoing moans of blue whales have gradually grown lower in pitch over the last few decades, and scientists say that could be a good sign for this endangered species.

As blue whale populations boom, the frequency of their calls has decreased – probably because potential mates are a lot closer than they used to be.

(READ More in Mother Nature Network)

COMMENTS