These appear different from the Gi-Go Ember pose, lacking the Made in China marking. The babies with star symbols all have Ja-Ru markings on the hoof; the clover-shape symbol babies have no company markings.
Star Symbol (Ja-Ru):
Trio of Clover Shapes Symbol:
Blue Baby from Wal-mart branded family pack – marked MADE IN CHINA on hoof; one of the adults packaged with her is marked Manley. See in-package pictures here.