In a colony, king penguins behave like molecules in a 2-D liquid
Aerial images help show how members of this species behave in a group
![king penguins](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/04/040418_DG_penguin_feat.jpg?fit=860%2C460&ssl=1)
PERSONAL SPACE Positions of king penguins in a breeding colony resemble molecules in a 2-D liquid, a new study finds.
French Polar Institute Paul-Émile Victor