But if you also keep backyard chickens ... In the case of critically endangered California condors, scientists organized a vaccination program after some birds became infected.

Is it safe to have a backyard bird feeder? Experts say bird feeders ... In the case of critically endangered California condors, scientists organized a vaccination program after some birds became ...

In the case of critically endangered California condors ... But if you also keep backyard chickens, Parr of the American Bird Conservancy recommends taking the bird feeder down to prevent possible ...

But if you also keep backyard chickens ... In the case of critically endangered California condors, scientists organized a vaccination program after some birds became infected.

Safari Park, San Diego Zoo and SeaWorld have not seen any of the animals in their collections infected in the three years ...

was sold at retailers in California, Colorado, New York, Pennsylvania and Washington. Also see: What to know about bird flu outbreak and what it means for backyard bird feeders The company that ...