Several tests showed that leopards , cougars , servals , and lynxes often reacted strongly to catnip in a manner similar to domestic cats and while lions and tigers can react strongly as well , they do not react all the time .
Several tests showed that leopards , cougars , servals , and lynxes often reacted strongly to catnip in a manner similar to domestic cats . Lions and tigers may react strongly as well , but they do n't react all the time .