India, Aug. 9 -- Jackie, the world-famous bald eagle from Big Bear Lake, California remains in critical condition after suffering another medical setback.

Wildlife veterinarians at the Ojai Raptor Center said Friday that Jackie's blood values have declined again, leaving the eagle in critical condition as specialists continue searching for the cause of her mysterious illness, as per Desert Sun. The update comes after a series of ups and downs in Jackie's recovery, which has been closely followed by thousands of eagle fans.

Jackie, identified by caregivers as "Bald Eagle 26-519," has been receiving treatment in Ventura County since mid-July after she was rescued near her Big Bear nesting territory following an altercation with two juveni...