Briarkit

Briarkit is a dark brown she-kit with a darker stripe running down her back.

Eclipse
She was born with Bumblekit and Blossemkit to Mille and Graystripe.

Long Shadows
She caught green cough with her mother and became worried about not finding her way to StarClan, but was comforted when Leafpool told her that when the time came, Mille would come for her. At the end of the book, she and her mother were looking healthier.

Sunrise
She was almost killed by a snake, but was saved by Honeyfern.