Beluga whale Kimalu celebrated her milestone first birthday on Aug. 27.
Although she’ll be a baby in her trainers’ and other Shedd friends’ eyes for years to come, she has come a long way from her 5-foot, 150-pound birth size. At her last exam in March, Kimalu was 6 feet 6 inches long and weighed about 325 pounds. (Because she is so healthy, the animal care and animal health teams haven’t needed to weigh her since then.) As you can see from the photos taken last week, the little whale is plenty plump. And you don’t need a scale or tape measure to see that she’s growing—her mottled appearance indicates that she’s about ready to slough her outgrown skin again.