Adda Ong: Zoos are like prisons
How Does Captivity Affect Wild Animals? | Discover Magazine
Animal Advocates Weigh the Price of Zoos and Animal Sanctuaries | Discover Magazine
Zoos: Life of Animals in Captivity | Animal Equality
The history of zoo construction is fraught and dominated by humans' desire to ignore the consequences of our actions.
On My Mind: Zoos Then and Now | Karen Pryor Clicker Training
More than 100 animals rescued from overcrowded Mexico zoo - BBC News
Are zoo animals happy? There's a simple empathy test we can apply | Salon.com
Neglected Animals Starve in Mosul Zoo
Zoos Cause Animals Far More Harm Than Good
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WILD ANIMALS AND THE CAPTIVITY ISSUE
New zoo for animals rescued from cages flooded in September typhoon Goni
Zoos Called It a 'Rescue.' But Are the Elephants Really Better Off? - The New York Times
Animal Captivity Is A Dangerous Distraction from Real Conservation Efforts | Earth.Org
Should wild animals be used for entertainment at circus or zoos? | by Princess | Medium
Animals In Captivity | Born Free USA Animal Advocacy
Wild animals in zoos and circuses | The Humane Society of the United States
Challenging the Treatment of Animals at Special Memories Zoo - Animal Legal Defense Fund
Experts Agree: Zoos Do More Harm Than Good
4 things we need to stop telling ourselves about animals in zoos | Animals Australia
Animals Behind Bars. Zoos are a major form of entertainment… | by Sam Hayes | Medium
America, stop visiting roadside zoos – they make money from the inhumane treatment of animals | Guardian sustainable business | The Guardian
Sanctuaries or showbiz: what's the future of zoos? | Zoos | The Guardian
Five wild animals that won't do it in cages | New Scientist
