![Senior veterinary surgeon Irina Berezina holds the 5-month-old North American puma cub named Arnaldo during one of his walks after quarantine at the Royev Ruchey Zoo, in the suburb of Russia's Siberian Senior veterinary surgeon Irina Berezina holds the 5-month-old North American puma cub named Arnaldo during one of his walks after quarantine at the Royev Ruchey Zoo, in the suburb of Russia's Siberian](https://c8.alamy.com/comp/2D0380G/senior-veterinary-surgeon-irina-berezina-holds-the-5-month-old-north-american-puma-cub-named-arnaldo-during-one-of-his-walks-after-quarantine-at-the-royev-ruchey-zoo-in-the-suburb-of-russias-siberian-city-of-krasnoyarsk-january-13-2012-arnaldo-was-transported-to-his-new-home-in-krasnoyarsk-last-month-from-the-siberian-town-of-zelenogorsk-where-he-was-born-in-august-2011-reutersilya-naymushin-russia-tags-society-animals-tpx-images-of-the-day-2D0380G.jpg)
Senior veterinary surgeon Irina Berezina holds the 5-month-old North American puma cub named Arnaldo during one of his walks after quarantine at the Royev Ruchey Zoo, in the suburb of Russia's Siberian
![A five-month-old mountain lion cub (puma concolor) resting against a log. | Photography by JAK WONDERLY A five-month-old mountain lion cub (puma concolor) resting against a log. | Photography by JAK WONDERLY](https://www.jakwonderly.com/img-get2/I0000ttr3iUff5.I/fit=1000x750/20160727-A-8492-full.jpg)
A five-month-old mountain lion cub (puma concolor) resting against a log. | Photography by JAK WONDERLY
![Puma cub's kiss turns into a painful nibble on the nose for zookeeper at Attica Zoological Park in Greece | Daily Mail Online Puma cub's kiss turns into a painful nibble on the nose for zookeeper at Attica Zoological Park in Greece | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/04/02/article-2303082-190B3F63000005DC-509_634x427.jpg)
Puma cub's kiss turns into a painful nibble on the nose for zookeeper at Attica Zoological Park in Greece | Daily Mail Online
![Ice, a 5-month-old North American Puma female cub, plays with her handler at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA - Ice, a 5-month-old North American Puma female cub, plays with her handler at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA -](https://c8.alamy.com/comp/2D09EWK/ice-a-5-month-old-north-american-puma-female-cub-plays-with-her-handler-at-the-royev-ruchey-zoo-in-a-suburb-of-russias-siberian-city-of-krasnoyarsk-november-20-2012-reutersilya-naymushin-russia-tags-animals-2D09EWK.jpg)
Ice, a 5-month-old North American Puma female cub, plays with her handler at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA -
![Ice, a 5-month-old North American Puma female cub, plays in the snow at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA - Ice, a 5-month-old North American Puma female cub, plays in the snow at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA -](https://c8.alamy.com/comp/2CX64B1/ice-a-5-month-old-north-american-puma-female-cub-plays-in-the-snow-at-the-royev-ruchey-zoo-in-a-suburb-of-russias-siberian-city-of-krasnoyarsk-november-20-2012-reutersilya-naymushin-russia-tags-animals-2CX64B1.jpg)
Ice, a 5-month-old North American Puma female cub, plays in the snow at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA -
![California: mother fights off mountain lion with bare hands to save 5-year- old son | California | The Guardian California: mother fights off mountain lion with bare hands to save 5-year- old son | California | The Guardian](https://i.guim.co.uk/img/media/e288cc14235dfb0e4fd8f802eb84423aee709737/693_616_2307_1384/master/2307.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=8ed5eb5b6713e429d0a4a8a9246aa8d0)
California: mother fights off mountain lion with bare hands to save 5-year- old son | California | The Guardian
![Ice, a 5-month-old North American Puma female cub, plays in the snow at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA - Ice, a 5-month-old North American Puma female cub, plays in the snow at the Royev Ruchey zoo in a suburb of Russia's Siberian city of Krasnoyarsk November 20, 2012. REUTERS/Ilya Naymushin (RUSSIA -](https://c8.alamy.com/comp/2D05F18/ice-a-5-month-old-north-american-puma-female-cub-plays-in-the-snow-at-the-royev-ruchey-zoo-in-a-suburb-of-russias-siberian-city-of-krasnoyarsk-november-20-2012-reutersilya-naymushin-russia-tags-animals-2D05F18.jpg)