American Society of Naturalists

Featured Photographs

“Stronger Historical Contingency Facilitates Ecological Specializations: An Example with Avian Carotenoid Networks” (Photo by Alex Badyaev | www.tenbestphotos.com)

“Historical Field Records Reveal Habitat as an Ecological Correlate of Locomotor Phenotypic Diversity in the Radiation of Neotropical Geophagini Fishes” (Painting: Viviana Astudillo-Clavijo)

“Better Together: Offspring Benefits from Siblings Both in the Absence and Presence of Parents” (Photo credit: Heiko Bellmann)

“On the Dynamics of Mortality and the Ephemeral Nature of Mammalian Megafauna” (Photo credit: Nathaniel J. Dominy)

Special Announcements

2025 IDEA Award Winner

Posted on February 6, 2026

Congratulations to the recipient of the 2025 IDEA Award, Maurine Neiman!

Applications for the 2026 Student Research Awards

Posted on November 24, 2025

The ASN Student Research Awards support research by student members that advances the goals of the society: the conceptual unification of ecology, evolution, and behavior. Each award consists of a $2,000 check to the candidate. Applications are due March 13.

Nominations for the Distinguished Naturalist Award

Posted on November 24, 2025 by ASN

The ASN Distinguished Naturalist Award is given to an active investigator in mid-career who has made significant contributions to the knowledge of a particular ecosystem or group of organisms. Nominations for the 2026 award are due January 3, 2026

Nominations for the ASN Award for Distinguished Achievement in the Conceptual Unification of the Biological Sciences

Posted on November 24, 2025 by ASN

The Conceptual Unification award is given annually and honors a senior but active investigator who is making fundamental contributions to the Society's goals in promoting the conceptual unification of the natural biological sciences. Nominations for the 2026 Award are due January 30, 2026

Applications for the 2026 ASN Early Career Investigator Award

Posted on November 24, 2025

Nominations/Applications for the 2026 Early Career Investigator Award are due January 5, 2026

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Forthcoming Papers

How does environmental age affect the chronological age-specific phenology and reproductive success senescence in a Corsican wild blue tit bird population?

Posted on January 24, 2025 by Shatarupa Sarkar, edited by Lena Holtmanns & Julia Harenčár

Read about “Age-Specific Phenology and Reproductive Success Senescence Vary with Environmental Age in a Wild Bird” by Suzanne Bonamour, Luis-Miguel Chevin, Christophe de Franceschi, Anne Charmantier, and Céline Teplitsky (Jan 2025)

Parasite party: how inbreeding begets a complex life cycle

Posted on December 12, 2024 by Faye Romero, edited by Genrietta Yagudayeva

Read about “Testing the Mating System Model of Parasite Complex Life Cycle Evolution Reveals Demographically Driven Mixed Mating” by Jenna M. Hulke and Charles D. Criscione (December 2024)