Positive allometry of sexually selected traits: Do metabolic maintenance costs play an important role?
U Somjee - BioEssays, 2021 - Wiley Online Library
Sexual selection drives the evolution of some of the most exaggerated traits in nature.
Studies on sexual selection often focus on the size of these traits relative to body size, but …
Studies on sexual selection often focus on the size of these traits relative to body size, but …
The hidden cost of sexually selected traits: the metabolic expense of maintaining a sexually selected weapon
Sexually selected weapons are among the most exaggerated traits in nature. Sexual
selection theory frequently assumes a high cost of this exaggeration; yet, those costs are …
selection theory frequently assumes a high cost of this exaggeration; yet, those costs are …
Exaggerated sexually selected weapons maintained with disproportionately low metabolic costs in a single species with extreme size variation
Larger individuals typically have lower mass‐specific metabolic rates compared to small
ones (hypometric scaling). This trend is most evident across species where body size …
ones (hypometric scaling). This trend is most evident across species where body size …
The evolution of autotomy in leaf-footed bugs
Sacrificing body parts is one of many behaviors that animals use to escape predation. This
trait, termed autotomy, is classically associated with lizards. However, several other taxa …
trait, termed autotomy, is classically associated with lizards. However, several other taxa …
Males that drop a sexually selected weapon grow larger testes
Costly sexually selected weapons are predicted to trade off with postcopulatory traits, such
as testes. Although weapons can be important for achieving access to females, individuals …
as testes. Although weapons can be important for achieving access to females, individuals …
Quantifying the costs of pre-and postcopulatory traits for males: Evidence that costs of ejaculation are minor relative to mating effort
Although it is widely stated that both mating behavior and sperm traits are energetically
costly for males, we currently lack empirical estimates of the relative costs to males of pre …
costly for males, we currently lack empirical estimates of the relative costs to males of pre …
Weapon performance drives weapon evolution
Many sexually selected traits function as weapons, and these weapons can be incredibly
diverse. However, the factors underlying weapon diversity among species remain poorly …
diverse. However, the factors underlying weapon diversity among species remain poorly …
Males missing their sexually selected weapon have decreased fighting ability and mating success in a competitive environment
Z Emberts, CM St. Mary, TJ Herrington… - Behavioral Ecology and …, 2018 - Springer
Intraspecific competition over access to females has led to a large diversity of animal
weapons. Generally, the relative size (and presence) of these weapons is positively …
weapons. Generally, the relative size (and presence) of these weapons is positively …
Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates
Larger testes produce more sperm and therefore improve reproductive success in the face of
sperm competition. Adaptation to social mating systems with relatively high and low sperm …
sperm competition. Adaptation to social mating systems with relatively high and low sperm …