Alternative mating tactics (AMTs) are intrasexual variants in mating behaviour of several
species ranging from arthropods to mammals. Male AMTs coexist between and within
populations. In particular, male ungulates rarely adopt just one tactic throughout their
lifetime. Tactics commonly change according to internal factors (age, body size, condition)
and external conditions (weather, resources, predation, animal density). However, the
influence of weather has not yet been investigated in upper vertebrates. Such influence may …