David Muir has the story of the 5-week-old pygmy hippo who refused to leave the pool on a hot summer day, until his mother Posie came over and gave a look that many know all too well.

David Muir has the story of the 5-week-old pygmy hippo who refused to leave the pool on a hot summer day, until his mother Posie came over and gave a look that many know all too well. Bear attack in ...

Pygmy hippo baby at Kansas Zoo refuses to leave pool until universal 'mom stare' David Muir has the story of the 5-week-old pygmy hippo who refused to leave the pool on a hot summer day, until his ...