Could you imagine you discovered your parents and their parents were whales, and you knew they were whales but like... different whales than you thought they were?? Well this is what the scientists just learned!!

Article: https://www.livescience.com/animals/whales/hidden-hybrid-dna-found-in-blue-whales-reveals-theyve-been-mating-with-other-species-and-their-offspring-are-reproducing#:~:text=Blue%20whales%20in%20the%20Atlantic%20Ocean%20are%20harboring,are%20much%20more%20reproductively%20viable%20than%20previously%20realized.