WASHINGTON -- See that little speck of white that mama panda Mei Xiang is cradling under her chin? That's her brand new baby! (Yeah, the baby's not so easy to see; he or she -- we won't know the sex for at least a few weeks -- is only about 4 ounces big now.)

Hopefully, while you're glued to the Panda Cam video feeds you'll catch another glimpse that tiny baby, born on Sunday night.

And when you do spot the little one, who will be named on Dec. 24, the National Zoo is asking that you get a screen grab and tweet it to @NationalZoo with the hashtag #cubwatch:

And the wants your help w/ . If you see the cub on the pandacam, tweet them a screen grab

As you can see in the impossibly cute slideshow below, some photos have started coming in. As you can see from the fact that the slideshow is very short, not enough people are spending all their time glued to the Panda Cams.

Do your part: Here's a link to one of the Panda Cams and another. You can even watch from your phone, using the National Zoo's app.

You probably don't need more enticement, but in case you do, the new baby is said to be quite vocal:

Jessica Orquina
I can hear the baby panda squeaking! So amazing...

You can also hear the baby squeaking in this Panda Cam video clip, taken Monday night.

And if you prefer your vocal baby pandas on the snarky side, here are a couple of Twitter feeds purportedly from the newborn.

For those concerned about the new baby's wellbeing, the Zoo issued a media statement on Tuesday saying that mother and child seem both to be doing well. Zookeepers report that they've seen evidence the nursing and that Mei Xiang is exhibiting "excellent maternal behaviors," being "prompt to cradle and groom the cub."

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  • Tai Shan takes a short plunge off the edge of a faux rock during his debut to the press November 29, 2005 at the National Zoo. Tai Shan was sent to China in February, 2010.

  • Mei Xiang and Tai Shan, who was born at 3:41 a.m. July 9, 2005, weighing only a few ounces at birth. This photo was taken in December, 2005.

  • Giant Panda cub Tai Shan cuddles with his mother, Mei Xiang, while they eat melon balls in the morning at the National Zoo's Giant Panda Habitat on August 30, 2006.

  • Giant Panda Tian Tian plays with a box on January 20, 2011 at the National Zoo. The snack is made with apples and pears frozen in apple juice.

  • Giant Panda Mei Xiang eats a breakfast of bamboo at the National Zoo's Giant Panda Habitat on August 30, 2006.

  • Giant Panda Tian Tian enjoys a fruitcicle at the National Zoo on January 20, 2011.

  • The 4th Birthday Of Giant Panda

    Giant panda Tian Tian eats bamboo at the National Zoo on July 9, 2009.

  • Tai Shan officially celebrated his fourth birthday with singing, guests and a massive, three-tiered "veggie-sicle" cake. The frozen masterpiece was made over the course of two weeks by Zoo commissary staff by freezing a combination of water, beets and beet juice while enhancing it with bamboo and fruit. Tai quickly took to the frozen treat, licking at the ice, spotting his furry face with the melting beet juice.

  • Panda cub Tai Shan is examined, weighed and measured on September 19, 2005.

  • The National Zoo's Chief Veterinarian Dr. Suzan Murray, Curator of Primates and Giant Pandas Lisa Stevens and animal keeper Nicole Meese conducted a health exam on Tai Shan when he was a cub in 2005.

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