John Webster, a former president of the British Society for Animal Science, was asked by the British government to study the causes and consequences of mad cow disease.

Meet Dr. Mark Norman, one of the world's leading octopus experts, who is also featured in "Encountering Sea Monsters."

Wayde Roberts is a Natural Resource Officer at Manitoba Conservation. He has worked with polar bears in Churchill, known to many as the polar bear capital of the world.

Filmmaker Gordon Buchanan spoke with NATURE in 2003, just days after he returned to Scotland from a lengthy sojourn in India filming tigers.

To get a glimpse of a rehabilitator's life, NATURE spoke with Julie Anne Collier, a raptor rehabilitator living in Springfield, Massachusetts.

Joseph Duff is one of the leaders of Operation Migration, a nonprofit organization that is using aircraft to restore migrating populations of whooping cranes.

Shane Moore has been a nature and wildlife documentary filmmaker for more than three decades. NATURE spoke with Moore about the making of "Christmas in Yellowstone."

You watched them work tirelessly to rescue and treat stranded pets. Now Jane Garrison, Dave Pauli, and Dr. Debra Campbell, answer your questions about their heroic efforts.

Spider expert Martin Nicholas travels to South America's Amazon in search of a spider known as the chicken-eating spider. NATURE spoke with him at his home in Great Britain.

When populations grow too large for the available habitat, or farmers want the animals off their lands, African governments and landowners increasingly seek to move the animals to other, more hospitable, lands.