Sexual selection is a field coloured by tension and contrasting views. One contested claim is
the causal link from the definition of the sexes (anisogamy) to divergent selection on the …

Among ray-finned fishes that provide parental care, many spawn in constructed nests,
ranging from bowls, burrows and ridges to nests made of algae or bubbles. Because a nest …

In contrast to sexual selection on traits that affect interactions between the sexes before
mating, little theoretical research has focused on the coevolution of postmating traits via …

Cisheteronormative ideologies are infused into every aspect of society, including
undergraduate science. We set out to identify the extent to which students can identify …

An animal's morphology influences its ability to perform essential tasks, such as locomoting
to obtain prey or escape predators. While morphology–performance relationships are well …

Sexual size dimorphism has motivated a large body of research on mammalian mating
strategies and sexual selection. Despite some contrary evidence, the narrative that larger …

Science has historically depicted female animals, including humans, as coy, passive,
elusive, noncompetitive and sexually reserved, 1 in line with societal ideologies about …

Infanticide and adoption have been attributed to sexual selection, where an individual later
reproduces with the parent whose offspring it killed or adopted. While sexually selected …

Courtship interactions are remarkably diverse in form and complexity among species. How
neural circuits evolve to encode new behaviors that are functionally integrated into these …

Sexual selection theory has provided explanation for the evolution and function of elaborate
male traits, yet less effective in explaining female trait expression. Consequently, there …