Food Coloring Hummingbirds - Web research suggests that red food coloring may contain chemicals like red dye #40, which could potentially harm the. Web hummingbirds don’t need a colored solution, but natural coloring from fruits and vegetables (in this case, tart.
Web research suggests that red food coloring may contain chemicals like red dye #40, which could potentially harm the. Web hummingbirds don’t need a colored solution, but natural coloring from fruits and vegetables (in this case, tart.