Horn size and nutrition in mountain sheep: Can ewe handle the truth?

KL Monteith, RA Long, TR Stephenson… - The Journal of …, 2018 - Wiley Online Library
Horns, antlers, and other horn‐like structures are products of sexual selection, confer
reproductive advantages, and are heritable and honest indicators of individual quality. In …

Selection on an extreme weapon in the frog-legged leaf beetle (Sagra femorata)

DM O'Brien, M Katsuki, DJ Emlen - Evolution, 2017 - academic.oup.com
Biologists have been fascinated with the extreme products of sexual selection for decades.
However, relatively few studies have characterized patterns of selection acting on …

Overcoming mechanical adversity in extreme hindleg weapons

DM O'Brien, RP Boisseau - PloS one, 2018 - journals.plos.org
The size of sexually selected weapons and their performance in battle are both critical to
reproductive success, yet these traits are often in opposition. Bigger weapons make better …

Horn size is linked to Sertoli cell efficiency and sperm size homogeneity during sexual development in common eland (Taurotragus oryx)

E Pintus, R Kotrba, JL Ros-Santaella - Frontiers in Cell and …, 2024 - frontiersin.org
Background: In polygynous species, the development of secondary sexual characters is
usually decisive for male reproductive success. However, our understanding about the links …

Horn growth variation and hunting selection of the Alpine ibex

U Büntgen, JD Galván, A Mysterud… - Journal of Animal …, 2018 - Wiley Online Library
Selective hunting can affect demographic characteristics and phenotypic traits of the
targeted species. Hunting systems often involve harvesting quotas based on sex, age and/or …

Horn growth patterns in Alpine chamois

L Corlatti, A Gugiatti, S Imperio - Zoology, 2015 - Elsevier
The analysis of horn growth may provide important information about the allocation of
metabolic resources to secondary sexual traits. Depending on the selective advantages …

Do honest signals or piercing weapons determine rank in a polygynous ungulate?

N Fattorini, P Tizzani, A Dematteis… - Biological Journal of the …, 2024 - academic.oup.com
In polygynous ungulates, males are often larger than females and bear more
elaborate/larger weapons. Quantifying sexual dimorphism in different traits could provide …

Using public-sourced photos to track changes in moose antler size during a 20-year hunting ban

R Kowalczyk, N Kowalczyk, P Dombrowski… - European Journal of …, 2024 - Springer
Hunting directly impacts the population dynamics of ungulates and can have a significant
effect on the quality of phenotypic traits such as horns or antlers. In Poland, following a …

Does selection on horn length of males and females differ in protected and hunted populations of a weakly dimorphic ungulate?

L Corlatti, I Storch, F Filli, P Anderwald - Ecology and Evolution, 2017 - Wiley Online Library
Weaponry in ungulates may be costly to grow and maintain, and different selective
pressures in males and females may lead to sex‐biased natural survival. Sexual differences …

Reproductive tract morphology and symmetry of farmed common eland (Tragelaphus oryx) bulls, and their relationship with secondary sexual traits and social rank

J Consolacion, F Ceacero, AS Musa, V Ny… - Animal Reproduction …, 2024 - Elsevier
Common eland bulls are important game ranching animals in southern Africa, for tourism,
breeding/live sales, trophy hunting, and game meat production. Interest has grown in their …