Assertion: atlantic puffin | /r/CapableOf | flap their wings
Facets:
value: to swim on underwater
type: PURPOSE
value: to swim on the surface
type: PURPOSE
Source sentences:
text: The reason why they need to flap their wings so fast is because their bones are not hollow so they are heavier than other birds.
text: -like coloration has given them the name among locals Atlantic Puffins spend most of their lives one sea as their water-resistant feathers are able to keep their body warm while swimming Atlantic Puffin flap their wings to swim on the surface and underwater.