More information: Eva de la Peña et al, The intensity of male-male competition may affect chemical scent constituents in the dark ventral patch of male Iberian red deer, PLOS ONE (2019). DOI: 10. ...

The male deer, in the latter situation, have to make less effort to show their worth. The compounds that were found, mainly m-cresol, benzoic acid, alcohol and fragrant compounds, ...

The average weight of an adult male is 203 lb (maximum, 405 lb). The average weight of a female is about 155 lb (maximum, 218 lb). Beaver; Big Brown Bat; American Black Bear; White-tailed Deer; Bobcat ...

Elaborate feather microstructures allow male tanagers to enhance their colors, making them seem as if they are higher quality mates. Share full article. 22.

Robert Heinsohn, professor of evolutionary biology at the Australian National University, explains. Males are more colorful or ornamented than females in most, but not all, bird species.

Traditionally most research of this type has focused on male deer mating strategies and female behaviour during the rut was often overlooked.” The research was carried out on a herd of fallow deer in ...