BALTIMORE (AP/WJZ) — The Maryland Zoo in Baltimore says it is welcoming a new black-and-white colobus monkey baby.

The zoo says the monkey was born Tuesday. It’s the second baby for the zoo’s colobus pair, 15-year-old Keri and 20-year-old Bisi.

“Gonzo,” born in April 2012, was the first offspring for the troop and is now the older brother of this infant, whose gender is not known at this time.

“As with the first birth, we want the mother and baby to be as comfortable as possible, so we are not interfering with them at this time,” said Mike McClure, general curator at the Maryland Zoo in Baltimore. “The troop dynamic is different this year with Gonzo being a very curious juvenile, and the staff is monitoring them very closely.”

Colobus monkeys are found in equatorial Africa. The Maryland Zoo now has five colobus monkeys.

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