About: http://webisa.webdatacommons.org/391047385

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Irruptive birds occur in large numbers in some years and usually few or none in other years; these are mainly wintering visitors from the northern coniferous forests.
http://www.w3.org/ns/prov#wasQuotedFrom	umich.edu