In a rare conservation success story, Lake Champlain's native lake trout thrive, leading to an end of stocking program this spring.

More than half of Ireland's birds are in decline. Séan Ronayne hopes recording each bird's song on film might help encourage people to save them and the ecosystems they call home.

Named after the Lord of the Rings character, the fish is known for its large eyes, stocky body and blunt, rounded snout.

Florida's invasive reptiles are unwanted. This means there is a goal to eliminate them. There is a difference between killing ...

Like all nonnative reptile species, green iguanas aren't protected in Florida except by anti-cruelty law and can be humanely killed.

But tambaqui have a strong bite than many similar fish because they often eat harder foods. They are native to the tropical ...