Zoo Elephants Live A Shortened Life, Study Finds : NPR
Why do some animals in captivity live longer/shorter lives than in the wild? - Quora
Empty the Cages and Tanks! Here's the Truth About the Lives of Animals in Captivity Versus the Wild - One Green Planet
Zoos Shorten Elephants' Lives, Study Says - CBS News
Do animals live longer in captivity? | BBC Wildlife Magazine | Discover Wildlife
Is it time to shut down the zoos? | Zoos | The Guardian
Longevity: a look at the shortest and longest lives in the animal kingdom
Wild animals lead longer lives in zoos than in the wild • Earth.com
Should Animals Be Kept in Zoos? | KQED Education
Recent deaths at Dallas Zoo have seemed notable but aren't out of the ordinary
Comparative analyses of longevity and senescence reveal variable survival benefits of living in zoos across mammals | Scientific Reports
Why do some animals live longer in captivity? - Quora
8 Pet Birds With Short Life Spans (Under 20 Years) - PetHelpful
Elephants Captured From the Wild Live Shorter Lives Than Those Born in Captivity, New Study Shows
Zoos - Pros & Cons - ProCon.org
Zoo Animals and Their Discontents - The New York Times
Animals in Entertainment: Circuses, SeaWorld, and Beyond | PETA
Why do some animals in captivity live longer/shorter lives than in the wild? - Quora
Zoos Called It a 'Rescue.' But Are the Elephants Really Better Off? - The New York Times
Comparative analyses of longevity and senescence reveal variable survival benefits of living in zoos across mammals | Scientific Reports
Do Animals Live Longer In Captivity? | by Andy O'Dower | Medium
11 Pets With a 5-Year Lifespan (or Less) - PetHelpful
