In Zimbabwe's Hwange National Park, elephants drink from a watering hole. Winfred Wisniewski/Getty Images hide caption
Spanish rejoneador Pablo Hermoso de Mendoza brandishes a banderilla as he fights a bull during the El Pilar Feria at La Misericordia bullring last week. Alberto Simon /AFP/Getty Images hide caption
People listen to speeches during a protest against bullfighting in Madrid on Saturday. The placard reads in Spanish: "Torture is neither art nor culture." Francisco Seco/AP hide caption
A screenshot from the video of the incident posted by Toronto Pig Save, which shows Anita Krajnc giving water to pigs bound for the slaughterhouse. Toronto Pig Save/Screenshot by NPR hide caption
Super Typhoon Maysak, as seen from the International Space Station on March 31. ESA/NASA/Samantha Cristoforetti hide caption
During the 2014 Tournament of Roses Parade, SeaWorld's float was accompanied by police in Pasadena, Calif. PETA supporters were arrested for protesting the float that day, and PETA claims that a SeaWorld employee posing as a PETA volunteer tipped police off to the protest. Ringo H.W. Chiu/AP hide caption
PETA Says Undercover SeaWorld Employee Posed As Animal Rights Activist
Elephant acts at Ringling Bros. and Barnum & Bailey Circus will be phased out by 2018, the circus' parent company said today. The elephants will retire to a conservation center in Polk City, Fla. Tamika Moore/AL.com/Landov hide caption
This picture taken on Jan. 27, 2015 shows a seized cat in one of the cages being transported in a truck in Hanoi. AFP/Getty Images hide caption
Sandra, an orangutan owned by the Buenos Aires Zoo, was given the right to leave the zoo after a court ruled she was entitled to more desirable living conditions. Juan Mabromata/AFP/Getty Images hide caption
Christy Redd is the co-owner of America's largest alligator leather tannery. Zach Wolfe/Ozy.com hide caption
Trainer Jimmy McConnell of Shelbyville, Tenn., rides champion walking horse Watch It Now before a 2009 football game in Knoxville, Tenn. Celebrations of the breed's distinctive gait are a 75-year-old tradition, but animal rights activists say that for many of those decades, the walking horse industry has abused animals to get their knees even higher. Wade Payne/AP hide caption
Free-range chickens lay eggs for Sauder's Quality Eggs in Pennsylvania. Dan Charles/NPR hide caption
States Fight California's Chicken Cage Law. But It's Really About Bacon
A black rhino in Namibia's Etosha National Park. Frans Lanting /DPA/Landov hide caption