“The cooperation between Wildlife Care, Wildlife Science, Nutrition, and Veterinary teams was instrumental in getting us to this point in Sabi’s pregnancy.
This White rhino mom keeps her young one very close. Rhino moms are pregnant for 15-16 months before giving birth to a single calf. Calves stay with their mothers until the age of 2-3 years, until her next calf is born. All five rhino species have a long gestation period. Female rhinos carry their young for a gestation period of 15 to 16 months before. “We are overjoyed with the news of Sabi’s pregnancy, and it is such a great example of how the various Zoo teams work closely with one another” Grant Furniss, director of Wildlife Care at the Toronto Zoo, said in a statement. After a gestation period of 16 months, a single calf is born. In conclusion, white rhinos can only mate with other white rhinos. The Zoo says following her arrival in 2012, hormone monitoring showed Sabi exhibited “long” estrus cycles - 70 days in length, compared to the typical 30 days of fertile females - making pregnancy a “significant challenge.”Īfter adjusting husbandry and diet, Sabi’s spring 2022 behaviour suggested her hormonal cycles had switched from the subfertile long cycles to the typical cycle length and a breeding introduction with male Tom in summer 2022 was successful. 'Most of the rhinoceros labour is very subtle from the. The news is all the more sweeter because conception has been difficult for Sabi. 'The parturition of a white rhinoceros calf after 16 months and 3 weeks of gestation took on average 7 hours and 38 minutes,' says Hermes.
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