An adorable orangutan at Britain’s Colchester Zoo had the absolute sweetest moment with a pregnant woman, showcasing its pretty impressive parental instinct.

A couple was at the zoo when they got close to an orangutan named Rajang who was inside a glass enclosure for safety. But the orangutan showed a surprising interest in belly of the woman, who happened to be pregnant.

The 37-week-old pregnant woman placed her belly against the glass and the sweet moment that no one expected happened. Rajang leaned forward to the glass and kissed her belly. He repeatedly puckered his lips showing his love knowing that the woman is pregnant.

The woman’s husband tried to put his belly and his hand to the glass to check if it would get the same response from the orangutan but the animal's attention was fixated on the woman's belly.

Jay Clarke, the husband of the pregnant woman, uploaded the video on YouTube video, saying that it was "truly a special animal that has touched our hearts".