Primitive whales had mediocre hearing
Fossils suggest highly specialized sounds whales use to communicate were not an early innovation
![whale](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/06/060817_HT_whale-hearing_main_FREE.jpg?fit=860%2C460&ssl=1)
HEAR ME NOW Modern whales hear either really high or really low frequency sounds, depending on the species. A new study suggests that their earliest whale ancestors may have been limited in their hearing.
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