Roger Federer Retiring From Tennis

which has been in place for nearly 50 years.

Thanks for signing up!The green dot shows where scientists moored an audio recording hydrophone about 80 meters below the surface.Why are they changing their songs so much? asked Stafford.

the meaning and structure of their songs remains cryptic.The songs typically lasted between hours and days.Sign Me UpBy signing up you agree to our Terms of Use and Privacy Policy.

The marine mammals seem to be altering their songs each year.they largely avoid getting cancer.

though theres no evidence of this.

transcoded_urls:[https:\/\/zmgvideos. Amazon has been gradually adding AI features to its shopping platform

Humpback whale songs have been recorded extensively.transcoded_urls:[https:\/\/zmgvideos.

they sing under sea ice during the Arctic winter when its dark all day.com\/cms\/2018\/3\/65bd8512-255c-0320\/hls.