How the beautiful, ultra-rare trillium plant was brought to Delaware

The species has existed for millions of years, but the salamanders are threatened by poor water quality and populations have drastically declined.

State environmental officials say a rebound in bald eagle populations stems from volunteers and professionals who nurtured hatchlings, guarded nests and educated the public.

Scientists discussed the importance of protecting endangered species during an event hosted by WHYY and the Academy of Natural Sciences of Drexel University.