Assertion: european nightjar | /r/HasAspect | a loop migration
Facets:
value: to sub-equatorial africa
type: LOCATION
value: from western europe
type: LOCATION
Source sentences:
text: May. Recent tracking data has revealed that European nightjars have a loop migration from Western Europe to sub-equatorial Africa where they have to cross several ecological barriers (Mediterranean Sea, Sahara and the Central African Tropical Rainforest).