PETCO Animal Supplies, Inc. announced today that its "Tree of Hope" fundraiser raised $2,467,307 for grassroots animal welfare organizations nationwide. The fundraiser, which ran from November 21 to December 24, asked pet owners to donate $1, $5, $10, or $20 to animal welfare causes. Each donor received a cardstock ornament to be signed and displayed in the store or taken home as a reminder of their generosity.