Lion tamarins take their name from their impressive manes—thick rings of hair reminiscent of Africa's great cats. The golden lion tamarin may be the most beautiful of the four lion tamarin species.

Bryan Lau Tsz-long, 16, Buddhist Tai Hung College: Simba, as in The Lion King, is the perfect name for a lion. When I hear Simba, my brain has background music for that. I think it is a funny name ...