Comparative analyses of longevity and senescence reveal variable survival benefits of living in zoos across mammals | Scientific Reports
Animal Captivity Statistics – Heartwrenching Realities
Life Expectancy of Orcas – SeaWorld: Whale Abusers
Zoos Shorten Elephants' Lives, Study Says - CBS News
Zoos - Pros & Cons - ProCon.org
How Does Captivity Affect Wild Animals? | Discover Magazine
Empty the Cages and Tanks! Here's the Truth About the Lives of Animals in Captivity Versus the Wild - One Green Planet
Captive Animals - Animal Legal Defense Fund
4 things we need to stop telling ourselves about animals in zoos | Animals Australia
Captive animals trapped in war are suffering too
Captivity Quotes - BrainyQuote
Captivity saved these animals from extinction | CNN
How Long Do Dolphins Live? Facts About Marine Parks | PETA
Mammals May Live Longer In Zoos | The Scientist Magazine®
Are animals in cages a necessary evil? | CNN
11 Pets With a 5-Year Lifespan (or Less) - PetHelpful
Zoo Carnivores Need More Space | Science | AAAS
Orcas don't do well in captivity. Here's why.
Do zoos cause more harm than good? | New Internationalist
Wild animals lead longer lives in zoos than in the wild • Earth.com
/arc-anglerfish-arc2-prod-dmn.s3.amazonaws.com/public/QYKQLX6O2HFNM76JHNMVUWXPGA.jpg "Recent deaths at Dallas Zoo have seemed notable but aren't out of the ordinary")
Recent deaths at Dallas Zoo have seemed notable but aren't out of the ordinary
Most Captive-Born Predators Die If Released
Physiological effects of capture and short-term captivity in an invasive snake species, the Burmese python (Python bivittatus) in Florida - ScienceDirect
Five wild animals that won't do it in cages | New Scientist
Zoos: Life of Animals in Captivity | Animal Equality
