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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]
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.
Human pregnancy can be divided into three trimesters, each approximately three months long: the first, second, and third trimester. The first trimester is from the last menstrual period through the 13th week, the second trimester is 14th–28/29th week, and the third trimester is 29/30th–42nd week. [ 6 ]
Canada geese leave the winter grounds more quickly than the summer grounds. Elevated thyroid hormones, such as T 3 and T 4, have been measured in geese just after a big migration. This is believed because of the long days of flying in migration the thyroid gland sends out more T 4 which help the body cope
The Egyptian goose is native to Sub-Saharan Africa and the Nile Valley, where it is widespread and common to abundant, [20] though it has become scarce in the northern Nile Valley. [21] It is found in open or semi-open habitats, typically near fresh water, ranging from lowlands to 4,000 m (13,000 ft) above sea level in the Ethiopian Highlands ...
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The African Goose is one of two domestic goose breeds that derive from the wild species Anser cygnoides, the other being the Chinese, to which it is closely related. [9]: 364 [3] Domestication took place in north Asia, and birds of this type were later brought to Europe, possibly via Madagascar; [10] they were present in Britain before the end of the seventeenth century.
Nearly 60% of women say they wish they knew how long it would take to get pregnant before they started trying, new survey shows. Korin Miller. April 26, 2024 at 5:00 AM.