SMITHSONIAN NATIONAL ZOO, shenhuifu.org

A newborn giant panda cub weighs 3.5 ounces and is roughly 1/900th the size of their mother. Cubs do not open their eyes until they are 6-8 weeks old and are not mobile until they are 3 months old.

Preview photo credit: SMITHSONIAN NATIONAL ZOO
Source: https://www.livescience.com/giant-panda-tiny-baby.html