With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.

Lead poisoning affects the swans’ central nervous system and can cause the swans to neglect their grooming, becoming dirty and odorous as a result. They can become sluggish and confused or lose ...

The video in this story is from a previous report. A bald eagle was found dead from suspected bird flu in recent days in a ...