1. Bird flu kills 20 big cats at Washington animal sanctuary  BBC.com
2. Bird flu kills 20 big cats at Shelton sanctuary, devastating conservation efforts  KOMO News
3. Shelton animal sanctuary says 20 large cats are dead from avian flu outbreak  KING5.com
4. Bird flu kills 20 big cats in WA sanctuary  The Seattle Times
5. 20 Big Cats Die From Bird Flu at a Washington Sanctuary  The New York Times

Source: Google Finance – Market News