Otters spotted at Kallang River beside Upper Boon Keng Road HDB the National Geographic team went there to film it
NatGeo film crew at Upper Boon Keng beside the garden HDB
https://www.facebook.com/otterscene/posts/987890628082746?comment_tracking=%7B%22tn%22%3A%22O%22%7D
https://www.straitstimes.com/singapore/environment/bishan-otters-defeat-marina-rivals-again-in-kallang-basin-clash
