Assertion: white stork | /r/CapableOf | nest at higher altitudes
Facets:
value: since
type: TEMPORAL
value: progressively
type: MANNER
Source sentences:
text: A study published in 2005 found that the Podhale region in the uplands of southern Poland had seen an influx of white storks, which first bred there in 1931 and have nested at progressively higher altitudes since, reaching 890 m (3000 ft) in 1999.