From New Scientist
Dave the dolphin whistles, and his friend Alan whistles back. We can’t yet decipher their calls, but some of the time Dave may be calling: “Alan! Alan! Alan! Alan!”
From New Scientist
Dave the dolphin whistles, and his friend Alan whistles back. We can’t yet decipher their calls, but some of the time Dave may be calling: “Alan! Alan! Alan! Alan!”