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April (April 18, 2000 – April 2, 2021) was a reticulated giraffe (Giraffa camelopardalis reticulata) at the Animal Adventure Park in Harpursville, New York, in the United States. She gained worldwide fame after live videos of her in the late stages of pregnancy and the subsequent birth were uploaded to YouTube in 2017. The birth was watched ...
Most mammals are viviparous, giving birth to live young. [1] However, the five species of monotreme, the platypuses and the echidnas, lay eggs. The monotremes have a sex determination system different from that of most other mammals. [2] In particular, the sex chromosomes of a platypus are more like those of a chicken than those of a therian ...
In the Womb is a documentary television special miniseries that was premiered on March 6, 2005, on the National Geographic Channel.Originally beginning as a special about human pregnancy (titled Life Before Birth in the UK), the program features the development of embryos in the uterus of various animal species.
The traditional modes of reproduction include oviparity, taken to be the ancestral condition, traditionally where either unfertilised oocytes or fertilised eggs are spawned, and viviparity traditionally including any mechanism where young are born live, or where the development of the young is supported by either parent in or on any part of their body.
Pregnant male seahorse. Male pregnancy is the incubation of one or more embryos or fetuses by organisms of the male sex in some species. Most species that reproduce by sexual reproduction are heterogamous—females producing larger gametes and males producing smaller gametes ().
A boa constrictor in the U.K. gave birth to 14 babies — without a mate. The process is called parthenogenesis, from the Greek words for “virgin” and “birth.” It tends to occur in ...
A cow giving birth. Birthing in cattle is typical of a larger mammal. A cow goes through three stages of labor during normal delivery of a calf. During stage one, the animal seeks a quiet place away from the rest of the herd. Hormone changes cause soft tissues of the birth canal to relax as the mother's body prepares for birth.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!