The phrase "wild birds" refers to birds that are not domesticated or kept as pets. They live in nature and are free to fly and roam wherever they want. Full definition
As with dog food, the quality of wild bird food runs the gamut. (petbusiness.com)
The most well - known and widely fed wild bird food is seed, and the packaging of many premium mixes name the bird species that they attract. (petbusiness.com)
Homeowners have been feeding wild birds for a long time, but only now are scientists finally beginning to understand just how that affects urban ecosystems. (scientificamerican.com)