April, the giraffe is giving birth to her fourth calf right now! You can watch live in the video window below.

The calf will weigh around 150 pounds and be about six feet tall at birth. Giraffe pregnancies last about 15 months.

Watch the YouTube stream here:

A zoo spokesperson says the delivery could take all day Saturday.

Typically, the front hooves appear first, followed by the snout.

The YouTube livestream shows more than 600,000 were watching the blessed event Saturday morning. Millions have viewed the livestream since it started in late February.

Once the calf is born, the Harpursville zoo in upstate New York will have a contest to name it.

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How old is April?

We learned that April is 15 years old. In natural habitats, a giraffes' life span is about 15 years. However when in human care that can extend to 20-27 years old. Animal Adventure Park owner Jordan Patch explained that April is in good and strong condition that not only is her life span expected to go well past the 15 years, depending on how she handles her fourth birth, she could possibly be fit enough to have more calves.

How long has April been with Animal Adventure Park?

April has been with Animal Adventure Park since September 2015 and this is her first calf birth at the park. Once her calf is born and she is done nursing it, he or she will move on to another facility as it's rare to keep family members together with fear of incest.