Alex is full grown and likes to maintain his weight right around 20 lbs. This makes his chances of ever becomin' a professional boxer pretty slim. But I wouldn't suggest ya pick a fight with him cuz he's got an awful long reach. Depending upon many different circumstances, gibbons have an average life span of between25 and 35 years. But who knows, I thought the same thing about George Burns.
Gibbons are arboreal, which means they live and play in trees.
Alex likes to climb and swing in trees, but what he really likes the most is to roll and tumble with his girlfriend, Cookie. There are nine species of gibbons. She's what's known as a Lar white-handed gibbon. Naw, Alex is what we call a hybrid. He's a cross between a Lar gibbon and an Agile gibbon.