The median US sea turtle population increased by 980% following the regulations established by the ESA, and the median increase for marine mammals was 115%

Thirty-one marine populations were researched In the PLOS One Journal, finding the populations of 78% of marine mammals and 75% of sea turtles rebounded after receiving protections under the United States’ Endangered Species Act.

The authors of the report think that this data could help protect the ESA at a time when the Trump administration is looking to roll back animal protections.