In Blue Machine, I wrote about the barnacles that cling to sea turtles and the stories those barnacles can tell.  Hakai magazine have just published a lovely story about whale barnacles (the size of teacups!) and the secrets they hold about both modern whales and their long-dead ancestors:

 https://hakaimagazine.com/features/what-whale-barnacles-know

#whale #ocean #barnacle #science

https://fediscience.org/system/media_attachments/files/111/064/642/678/645/911/original/07d6d5ec9a42c518.png