https://phys.org/news/2018-05-sharp-people-blurry-pets.html

In a paper published in the May 2018 issue of the journal Trends in Ecology & Evolution, the researchers compiled previously published estimates of visual acuity for roughly 600 species of insects, birds, mammals, fish and other animals.

Across the animal kingdom, most species "see the world with much less detail than we do," said first author Eleanor Caves, a postdoctoral researcher at Duke.