More than 100 animals rescued from overcrowded Mexico zoo - BBC News
Locked up for wildlife
Captive Wild Animal Welfare | Wild Welfare
Captive Animals - Animal Legal Defense Fund
Are zoo animals happy? There's a simple empathy test we can apply | Salon.com
The history of zoo construction is fraught and dominated by humans' desire to ignore the consequences of our actions.
Zoo animals escape cages amid flooding - The Columbian
Should wild animals be used for entertainment at circus or zoos? | by Princess | Medium
Animal rights activists score win at Barcelona zoo - ABC News
Challenging the Treatment of Animals at Special Memories Zoo - Animal Legal Defense Fund
These Innovative Zoos Let Animals Run Free While Humans Are The Ones In Cages
Animals Left To Die At Abandoned Zoo Are Losing Their Minds - The Dodo
Are animals in cages a necessary evil? | CNN
Gaza reopens zoo despite horrifying conditions for animals | The Times of Israel
Zoo animals cages Images, Stock Photos & Vectors | Shutterstock
The issue with zoos and why the killing of Marius is not the biggest problem | The non-hip hippies
So, you're tired of isolation': These powerful pics show how animals actually feel in zoo
War-Torn Yemen Is Letting Its Zoo Animals Starve to Death
New zoo for animals rescued from cages flooded in September typhoon Goni
Why is keeping animals in a cage defined cruel or wrong? Why shouldn't we do that? - Quora
Wild animals in captivity - Zoos, circuses & performing animals
Animals Behind Bars. Zoos are a major form of entertainment… | by Sam Hayes | Medium
Neglected Animals Starve in Mosul Zoo
Pledge to Boycott Zoos | PETA Asia
New zoo for animals rescued from cages flooded in September typhoon Goni
The Shocking Truth About What Happens to 'Surplus' Zoo Animals - One Green Planet
Malnourished' animals report prompts Albania zoo closure
