How long are giraffes pregnant?

The whole world is watching April the giraffe. 

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The 15-year-old mammal has been on pregnancy watch for months now, and New York’s Animal Adventure Park has continued to increase anticipation of a calf’s birth.

For how long are giraffes pregnant? Is April actually in labor? 

According to Animal Planet, the average gestation period for a giraffe is 15 months. That’s comparable to the gestation period of killer whales (15 to 18 months) and African elephants (22 months).

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Jordan Patch, owner of Animal Adventure Park, told WUSA it’s unlikely vets will be able to tell if April is in labor until the calf’s hoof begins to poke out of her rear-end. “Giraffe's instinctively hide their labor for however long it's lasting in order to not draw attention from predators who will wait out a giraffe's labor in order to attack once the calf is born,” WUSA reported. 

April’s water has not yet broken –- an active sign of labor.

>> 14 fast facts about giraffes

Patch said the live stream of April started as a way to keep interested visitors informed about the giraffe during the park’s off season. People who visited the park last year knew about her pregnancy and wanted updates during the time the park is closed. Animal Adventure Park reopens May 13.

Fast Facts About Giraffes

April the Giraffe’s pregnancy: A brief timeline

April joined the zoo in September 2015. At the time, zoo officials said they had plans to mate April with the park’s first giraffe, Oliver

It’s unclear when the park first found out April was pregnant, and, a website operated by Animal Adventure Park dedicated to all things April doesn’t specify when news of her pregnancy was first discovered. But the park wrote on Facebook that April and Oliver had “connected” in the fall of 2015. In February 2016, officials wrote on social media that she may have been pregnant then and that they would begin testing soon. A November 2016 post shows keepers tending to April and Oliver with preparations for birth. A narrator in a live video said April was expected to give birth in January. 

Workers at the park continued to speculate that April would give birth in January or February. By February, a live stream video was started to allow fans to watch April’s every move up until the birth of her little one. On March 31, a post on the park’s Facebook page said it “would be shocked to get through the weekend without (the) newest addition.”

Officials Upset After Giraffe Live Stream Pulled From YouTube

What are people saying about it all being a prank?

Some people have said the anticipated birth of April’s calf was an elaborate joke, with some saying news of the prank would be announced on April Fool’s Day. After April 1 -- with no birth and park workers and vets still saying the birth is still to come -- speculation of an April Fool’s quip died down. 

Others maintained doubts, referencing this post uploaded by the park in February 2016: 

Others have said the park is intentionally hyping up the April’s pregnancy in an effort to collect funds. Animal Adventure Park has launched or supported GiraffeMojiApril the Giraffe apparel, a GoFundMe account for April and a paid text service to get alerts about April’s developments. At the end of March, Toy-R-Us announced a partnership with Animal Adventure Park. Animal Adventure Park is a for profit organization.

April’s vet took to Facebook Sunday after the birth of April’s baby still had not come. 

“So the timeline for my 24-48 hour prediction is rapidly coming to an end... not surprising is the fact that we still have no calf and we still don't have a giraffe in Labor,” he wrote Sunday. “It really shouldn't be much longer, I'm just not going to tell you my guesstimate anymore.”

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