๐๐จ๐ฎ ๐ค๐ง๐จ๐ฐ ๐ก๐จ๐ฐ ๐ฉ๐ฅ๐ข๐จ๐ฌ๐๐ฎ๐ซ๐ฌ ๐๐ญ๐ ๐ข๐๐ก๐ญ๐ก๐ฒ๐จ๐ฌ๐๐ฎ๐ซ๐ฌ? Well, weโve always assumed they did (and for good reason), but thereโs been surprisingly little direct evidence to support this assumption.
In a new paper, we describe an unassuming little Jurassic fossil that directly confirms it: doi.org/10.3374/014....
ALT: a whale is swimming in the ocean and has white spots on its back
