As of my last knowledge update in January 2022, here is a list of some of the prominent wildlife sanctuaries in Kerala:
Periyar Wildlife Sanctuary: Located in Thekkady, it is known for its diverse flora and fauna, including elephants and tigers.
Wayanad Wildlife Sanctuary: Situated in the Wayanad district, it's home to a variety of wildlife, such as leopards, deer, and Indian bison.
Eravikulam National Park: Famous for the Nilgiri Tahr, it's located in the Idukki district.
Silent Valley National Park: Known for its unique biodiversity and located in the Nilgiri Hills.
Parambikulam Wildlife Sanctuary: Located in the Palakkad district, it's known for its rich variety of wildlife.
Idukki Wildlife Sanctuary: Situated in the Idukki district, it offers a habitat for diverse species, including elephants and bison.
Peppara Wildlife Sanctuary: Located near Thiruvananthapuram, it's known for its birdlife and elephants.
Aralam Wildlife Sanctuary: Situated in the Kannur district, it's home to various wildlife species.
Chinnar Wildlife Sanctuary: Located in the Idukki district, it's known for its unique thorny scrub forest.
Shendurney Wildlife Sanctuary: Situated in Kollam district, it's known for its diverse ecosystems.