American Society of Naturalists

Featured Photographs

“Why are there so many flowering plants? A multi-scale analysis of plant diversification” (Photo: John J. Wiens)

“Investigating the dynamics of elk population size and body mass in a seasonal environment using a mechanistic integral projection model” (Photo: Daniel Stahler/NPS)

“Looking for mimicry in a snake assemblage using deep learning” (Photo: Philippe Geniez)

“Where is natural history in ecological, evolutionary, and behavioral science?” (Photo: Joseph Travis)

Special Announcements

Editorial Policy and Checklist for Archiving Data and Code

Posted on September 2, 2020

Data Procedures for American Naturalist Papers

Sewall Wright Award 2020

Posted on July 8, 2020

Congratulations to the recipient of the 2020 Sewall Wright Award, Sharon Strauss

The Presidential Award is chosen by the President of the American Society of Naturalists from all of the papers published in The American Naturalist during the preceding calendar year. The recipients of the award for 2020 are Beatriz Willink, M. Catherine Duryea, and Erik Svensson for “Macroevolutionary Origin and Adaptive Function of a Polymorphic Female Signal Involved in Sexual Conflict”