H. brucei Skull Replica measures 2.9 inches. H. brucei Skull Replica is museum quality polyurethane cast. Know as Heterohyrax brucei

The name-giving feature of the Bush Hyrax is a dorsal gland located on the lower back beneath a raised skin patch about 1.5 cm long and surrounded by erectile hairs. Not all Heterohyrax species have a dorsal gland.

The secretions of the gland stain a dorsal spot of reddish-ochre to a dirty white coloration, but most commonly appears yellow. The gland is associated with sexual arousal and also plays a role in maternal recognition by young.

Sexually mature H. brucei  females breed annually and breeding seasons vary based on geographic location.

Peak birth rates among H. brucei colonies in Kenya occur between February and March, in Zimbabwe March, and in the Serengeti, Tanzania between December and January.

Breeding seasons are 7–8 months prior to when these peak birth rates have been observed based on length of gestation.

H. brucei females of colonies living at high elevation enter estrus as the photoperiod increases. Their estrus cycle is 1–5 days. In the Serengeti, there is a discrete mating season of seven weeks in which females with enter estrus several times for several days each.

This also synchronizes births among H. brucei colonies, with all breed females giving birth within three week of each other.

Litter sizes vary from 1 to 3 young but average between 1.6 and 2.1 depending on geographic location.

H. brucei are born weighing 220 g to 230 g and are open-eyed, furred, and able to follow adults out of the nest within several hours of birth. Young are suckled for 1–6 months before they are weaned.

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