The biggest killer of birds worldwide is habitat loss — where forests, wetlands, and grasslands are destroyed for cities, farming, or development.

At the moment, in the United States, the state with the highest bird flu case incidence is Kansas, with the highest number of infected birds.

The main parasitic disease affecting birds in Hawaiʻi is avian malaria.

Foreign explorers and visitors brought the first diseases to Hawaiʻi after contact with the outside world in the late 1700s. Native Hawaiians had no immunity, so diseases spread very quickly, such as small pox and…