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The impala or rooibok (Aepyceros melampus) is a medium-sized antelope found in eastern and southern Africa. ... and occurs every 12–29 days in non-pregnant females ...
Another factor is due to the shortage of food stocks during winter as the insects are being driven away and as the result, bat hibernate in pregnant condition. [24] In pinnipeds, the purpose of delayed implantation is in order to increase survival chance of the young animals as the mother ensure that the neonates are born at an optimal season. [25]
Male impalas fighting during the rut or breeding season. The rut (from the Latin rugire, meaning "to roar") is the mating season of certain mammals, which includes ruminants such as deer, sheep, camels, goats, pronghorns, bison, giraffes and antelopes, and extends to others such as skunks and elephants.
Aepyceros is a genus of African antelope that contains a single living species, the impala. It is the only known member of the tribe Aepycerotini. [1] Two extinct species are known, Aepyceros datoadeni [2] and Aepyceros shungurae. [3] A third species, Aepyceros premelampus has been transferred to a new genus, Afrotragus. [4]
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Here is the full list of nominees for the 67th Grammy Awards. This year's list of top nominees include Beyoncé (11), Charli XCX (seven), Billie Eilish (seven), Kendrick Lamar (seven), Post Malone ...
In mammals, pregnancy is the period of reproduction during which a female carries one or more live offspring from implantation in the uterus through gestation. It begins when a fertilized zygote implants in the female's uterus , and ends once it leaves the uterus.
This year's list of top nominees include Beyoncé, Charli XCX, Billie Eilish, Kendrick Lamar, Post Malone, Sabrina Carpenter, Chappell Roan and Taylor Swift.