Evaluating testosterone as a phenotypic integrator: from tissues to individuals to species

SE Lipshutz, EM George, AB Bentz… - Molecular and cellular …, 2019 - Elsevier
Highlights•Testosterone (T) is thought to integrate phenotypes that work well
together.•However, it is not clear how such integration is generated within the organism.•T …

The tyranny of phylogeny—A plea for a less dogmatic stance on two‐species comparisons: Funding bodies, journals and referees discourage two‐or few‐species …

W Goymann, H Schwabl - BioEssays, 2021 - Wiley Online Library
Phylogenetically controlled studies across multiple species correct for taxonomic confounds
in physiological performance traits. Therefore, they are preferred over comparisons of two or …

Male-like female morphs in hummingbirds: the evolution of a widespread sex-limited plumage polymorphism

ES Diamant, JJ Falk… - Proceedings of the …, 2021 - royalsocietypublishing.org
Differences in the way males and females look or behave are common in animals. However,
discrete variation within sexes (sex-limited polymorphism) also occurs in several vertebrate …

The evolutionary history and mechanistic basis of female ornamentation in a tropical songbird

ED Enbody, SYW Sin, J Boersma, SV Edwards… - …, 2022 - academic.oup.com
Ornamentation, such as the showy plumage of birds, is widespread among female
vertebrates, yet the evolutionary pressures shaping female ornamentation remain uncertain …

Testosterone induces plumage ornamentation followed by enhanced territoriality in a female songbird

J Boersma, ED Enbody, JA Jones, D Nason… - Behavioral …, 2020 - academic.oup.com
We know little of the proximate mechanisms underlying the expression of signaling traits in
female vertebrates. Across males, the expression of sexual and competitive traits, including …

Female and male plumage colour signals aggression in a dichromatic tropical songbird

AV Leitão, ML Hall, K Delhey, RA Mulder - Animal Behaviour, 2019 - Elsevier
Highlights•Our understanding of female signals and sex differences is still limited.•We used
a mirror image test to study whether plumage colour signals aggression.•Both sexes were …

Cross-sexual transfer revisited

AP Anderson, JJ Falk - Integrative and Comparative Biology, 2023 - academic.oup.com
In her influential book “Developmental Plasticity and Evolution,” Mary Jane West-Eberhard
introduced the concept of cross-sexual transfer, where traits expressed in one sex in an …

The ancestral modulation hypothesis: predicting mechanistic control of sexually heteromorphic traits using evolutionary history

AP Anderson, SCP Renn - The American Naturalist, 2023 - journals.uchicago.edu
Across the animal kingdom there are myriad forms within a sex across, and even within,
species, rendering concepts of universal sex traits moot. The mechanisms that regulate the …

Evolution of female coloration: what have we learned from birds in general and blue tits in particular

C Doutrelant, A Fargevieille, A Grégoire - Advances in the study of behavior, 2020 - Elsevier
Female ornaments have long been considered non-functional, but a paradigm shift has
occurred over the 2 last decades. The adaptive nature of female ornaments is now widely …

Male White-shouldered Fairywrens (Malurus alboscapulatus) elevate androgens greater when courting females than during territorial challenges

J Boersma, JA Jones, ED Enbody, JF Welklin… - Hormones and …, 2022 - Elsevier
Androgens like testosterone mediate suites of physical and behavioral traits across
vertebrates, and circulation varies considerably across and within taxa. However, an …