100 years of comparative psychology advancing practice, policy, and the public-And what the future requires.

This year marks the 100th anniversary since the inception of the original . This review highlights the evolution of and the field of comparative psychology over the past century through the lens of the field's contributions in the realms of science practice, science policy, and public opinion. The review culminates with a look ahead to the next 100 years, with both challenges that are likely to remain as well as potential paths to continue growth and success. (PsycInfo Database Record (c) 2021 APA, all rights reserved).