The calls of the blue whale are perhaps the best known to date. They generally consist of two parts, A and B. The A call is a series of pulses (on the order of 1.5 pulses/sec), while the B call is a long moan.
The calls of the blue whale are perhaps the best known to date. They generally consist of two parts, A and B. The A call is a series of pulses (on the order of 1.5 pulses/sec), while the B call is a long moan.