Reproduction and Parental Care
A male gazelle will follow a female and sniff her urine to find out if she is in estrus, a process known as the Flehmen response. If so, he will continue to court and mount her. Females will leave the herd to give birth to single fawns after a five- to six-month gestation period. They give birth twice yearly. When birthing, a female gazelle crouches as the newborn fawn drops to the ground, tearing the umbilical cord. The mother then licks the fawn clean of amniotic fluid and tissues. In addition, licking possibly also serves to stimulate the fawn’s blood circulation, or to "label" it so its mother can recognize it by scent.
In the first six hours of the fawn’s life, it moves and rests with its mother, but eventually spends more time away from its mother or hides in the grass. The mother stays in the vicinity of the fawn and returns to nurse it daily. Mother and fawn may spend an hour together before the fawn goes and lies back down to wait for the next nursing. Mother gazelles may associate with other gazelle mothers, but the fawns do not gather into "kindergartens". Mothers will defend their young against jackals and baboons, but not against larger predators. Sometimes, a female can fend off a male baboon by headbutting him with her horns to defend her fawn.
As the fawn approaches two months of age, it spends more time with its mother and less time hiding. Eventually, it stops hiding. Around this time, the fawn starts eating solid food, but continues to nurse from its mother. The pair will also join a herd. Young female gazelles may associate with their mothers as yearlings. Young males may also follow their mothers, but as they reach adolescence, they are noticed by territorial males, so cannot follow their mothers into territories. The mother may follow and stay with him, but eventually stops following him when he is driven away; the male will then join a bachelor group.
Read more about this topic: Thomson's Gazelle
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