Silver expresses her feelings for suntime clearly even though she can't speak. She loves Glory and is very attached to her, as shown when Glory returns from the Night Kingdom; Silver explodes from the tree and clung to Glory to 'chastise' her. She also seems to enjoy spending time with Sunny because of her scales that radiate heat.
Glory found Silver when she woke up finding a sloth hanging around her neck. Glory initially tried to get the sloth to climb off, and was stopped by Jambu, who explained that the sloths were pets of several RainWings. Upon visiting the other dragonets, Tsunami tried to eat her while Sunny believed she was cute. Starflight was astounded that the sloths weren't afraid of the dragons.
Later, before Glory was taken to the Night Kingdom, she gave Silver to Sunny for safe keeping.