FALMOUTH, Maine — Many Mainers love their feathered friends, often welcoming wild birds to their backyards with birdseed and bird baths. But with avian flu, also known as highly pathogenic avian influenza (HPAI), cases on the rise, some are wondering if feeding birds is safe.

A dead bird found in Hays County has tested positive for bird flu, according to the county's health department.

Bird flu has dominated the headlines lately, and many wonder what it is and how does it affect food. We delve into its history to answer these questions.

Day-to-day operations require more resources like protective gear, space in the hospital to isolate birds and money to conduct testing, said New England Wildlife Center CEO Zak Mertz.