Sago, *** Hoffman two-toed sloth, gave birth in front of visitors ... She's very protective. Um, baby comes out with mom. We have overnight footage that shows us she's clinging on really well.

In a rare moment, a two-toed sloth gave birth in front of visitors at a zoo in ... there's no guarantee of seeing the baby. “Mom doesn't give us very many glimpses. She's very protective ...