— -- Pregnant couple Maisie Knight and Jamie Clark got a fun surprise at the Colchester Zoo in Essex, England.

The pair unexpectedly made friends with Rajang the orangutan, who showed affection through the glass toward Knight’s 37-week-old baby bump.

Clark received no such love for his flatter belly, but holds no ill will toward Rajang.

“I put my belly too [on] the glass and got a dirty look then when I placed my hand on the he tried to push my hand away,” Clark wrote when he posted a video of the encounter to YouTube. “My partner returned her belly to the glass and Rajang touched and kissed her belly again through the glass. Truly a special animal that has touched our hearts.”

According to a Facebook post from the Colchester Zoo, Rajang “has always been a curious orangutan! He loves belly buttons, scars and of course baby bumps! His inquisitive way means he loves to interact with visitors particularly those who might be expecting!”

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