She began her career in television comedy production, and then moved into documentaries, later specialising in natural history. Among others, she is credited as director and producer for Balderdash and Piffle, director for Medieval Lives and You Don't Know You're Born, and presenter of Springwatch.
She is the author of The Truth About Animals: Stoned Sloths, Lovelorn Hippos, and Other Tales from the Wild Side of Wildlife, which investigates popular misconceptions about animals, including sloths, hyenas, penguins, and pandas. She had previously written three books about sloths: A Little Book of Sloth, The Power of Sloth, and Life in the Sloth Lane: Slow Down and Smell the Hibiscus.
- "Lucy Cooke". Amazon. Retrieved 6 October 2018.
- Garcia-Navarro, Lulu. "Who Cares If They're Cute? This Zoologist Accepts Animals On Their Own Terms". National Public Radio. Retrieved 6 October 2018.