CHICAGO (WLS) -- All three of the new lion cubs at the Lincoln Park Zoo are boys!
That's what the zoo's veterinary staff learned when they gave the cubs their first health exam.
[Ads /]
Until now, they've been monitoring the cubs and their mother Zari via remote cameras.
RELATED | New lion cub 'Pilipili' makes debut at Chicago's Lincoln Park Zoo
The cubs were born six weeks ago on Jan. 9 to the lioness.
While they weighed roughly 2 pounds at birth, the cubs now all weigh 15 to 18 pounds.
[Ads /]
They unnamed cubs will remain behind the scenes for the coming weeks as they continue to grow.
SEE ALSO | Lincoln Park Zoo names new lion cub 'Pilipili' in honor of Pepper family
The rest of the pride, including the cubs' dad Jabari, brother Pilipili, and aunts Hasira and Cleo will be in the habitat, waiting to meet the new members of the family.