About: http://webisa.webdatacommons.org/253178890

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	Here is the owner's manual in .pdf format, which you might find useful.Here also is a post made to some birding forum where the poster tested them, and posted their test results.
http://www.w3.org/ns/prov#wasQuotedFrom	cloudynights.com