Trait Variation

Recent Papers

Lifetime Fitness in Wild Female Baboons: Trade-Offs and Individual Heterogeneity in Quality

Emily M. McLean, Elizabeth A. Archie, and Susan C. Alberts

Sex-Specific Among-Individual Covariation in Locomotor Activity and Resting Metabolic Rate in Drosophila melanogaster

Mathieu Videlier, Howard D. Rundle, and Vincent Careau

Summary: https://www.amnat.org/an/newpapers/Dec-Videlier.html

Between- and Within-Individual Variation of Maternal Thyroid Hormone Deposition in Wild Great Tits (Parus major)

Bin-Yan Hsu, Irene Verhagen, Phillip Gienapp, Veerle M. Darras, Marcel E. Visser, and Suvi Ruuskanen

Summary: https://www.amnat.org/an/newpapers/Oct-Hsu.html

Within-Individual Canalization Contributes to Age-Related Increases in Trait Repeatability: A Longitudinal Experiment in Red Knots

Eva M. A. Kok, Joseph B. Burant, Anne Dekinga, Petra Manche, Darren Saintonge, Theunis Piersma, and Kimberley J. Mathot

Summary: https://www.amnat.org/an/newpapers/Sep-Kok.html

Intraspecific Variation in Worker Body Size Makes North American Bumble Bees (Bombus spp.) Less Susceptible to Decline

Matthew W. Austin and Aimee S. Dunlap

Summary: https://www.amnat.org/an/newpapers/Sep-Austin.html

Individual and Population Differences Shape Species Interactions and Natural Selection

Denon Start

Individual Variation in the Social Plasticity of Water Dragons

Kasha Strickland and Céline H. Frère

Phenotype-Environment Matching Predicts Both Positive and Negative Effects of Intraspecific Variation

Christopher J. Dibble and Volker H. W. Rudolf

Why So Variable: Can Genetic Variance in Flowering Thresholds Be Maintained by Fluctuating Selection?

Mark Rees and Stephen P. Ellner

Summary: https://www.amnat.org/an/newpapers/JulyRees.html

When Do Shifts in Trait Dynamics Precede Population Declines?

Gaurav Baruah, Christopher F. Clements, Frédéric Guillaume, and Arpat Ozgul

Summary: https://www.amnat.org/an/newpapers/MayBaruah.html

Population Variation, Environmental Gradients, and the Evolutionary Ecology of Plant Defense against Herbivory

Philip G. Hahn, Anurag A. Agrawal, Kira I. Sussman, and John L. Maron

Lay summary: https://www.amnat.org/an/newpapers/JanHahn.html

Early Life Stress Strengthens Trait Covariance: A Plastic Response That Results in Reduced Flexibility

Loren Merrill and Jennifer L. Grindstaff

Lay summary: https://www.amnat.org/an/newpapers/NovMerrill.html

Metabolic Scope as a Proximate Constraint on Individual Behavioral Variation: Effects on Personality, Plasticity, and Predictability

Peter A. Biro, Theodore Garland Jr., Christa Beckmann, Beata Ujvari, Frederic Thomas, and John R. Post

Lay summary: https://www.amnat.org/an/newpapers/AugBiro.html

Synthesis

Toward Understanding the Repeated Occurrence of Associations between Melanin-Based Coloration and Multiple Phenotypes

Luis M. San-Jose and Alexandre Roulin

Sex-Dependent Expression and Fitness Consequences of Sunlight-Derived Color Phenotypes

Juan A. Fargallo, Félix Martínez, Kazumasa Wakamatsu, David Serrano, and Guillermo Blanco

Lay summary: https://www.amnat.org/an/newpapers/JuneFargallo.html

Pluck or Luck: Does Trait Variation or Chance Drive Variation in Lifetime Reproductive Success?

Robin E. Snyder and Stephen P. Ellner

Lay summary: https://www.amnat.org/an/newpapers/AprSnyder.html

Evolution of Genetic Variance during Adaptive Radiation

Greg M. Walter, J. David Aguirre, Mark W. Blows, and Daniel Ortiz-Barrientos

Lay summary: https://www.amnat.org/an/newpapers/AprWalter.html