Whales change their songs every few years and opt for simpler tunes that are easier to remember

[السياسي]

Scientists from St Andrews University in Scotland studied male humpback whales over 13 years and found the signature songs of the species change steadily over time as they become embellished.

https://www.dailymail.co.uk/sciencetech/article-6413499/Whales-change-songs-years-opt-simpler-tunes-easier-remember.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]