Really Cute And Very Tiny Baby Panda Is HealthyThis giant panda cub looks pretty in pink.By by Michelle Broder Van DykeBuzzFeed News ReporterPosted on August 25, 2013, 10:53 pmTwitterFacebookLink The giant panda cub appeared to be in excellent health. National Zoo @NationalZoo Vets say the cub's heart rate is steady & its belly was full. They could hear breath sounds from both lungs. #cubwatch 02:48 PM - 25 Aug 2013 Reply Retweet Favorite National Zoo@NationalZooVets say the cub's heart rate is steady & its belly was full. They could hear breath sounds from both lungs. #cubwatch/ Via The baby panda's full belly means it is nursing well. National Zoo @NationalZoo The cub is nursing & digesting well. It is very active, very vibrant & very pink. #cubwatch 02:49 PM - 25 Aug 2013 Reply Retweet Favorite National Zoo@NationalZooThe cub is nursing & digesting well. It is very active, very vibrant & very pink. #cubwatch/ Via The cub weighs 137 grams, which is the same weight as an iPhone 4. National Zoo @NationalZoo The cub weighs 137grams, or about 4.83 ounces, which is normal for a newborn panda. #cubwatch 03:02 PM - 25 Aug 2013 Reply Retweet Favorite National Zoo@NationalZooThe cub weighs 137grams, or about 4.83 ounces, which is normal for a newborn panda. #cubwatch/ Via Related: Watch How A Giant Panda Gives Birth To A Baby Panda buzzfeed.com