Deletion of List of Barn Swallows on Postage Stamps

Comment: Even the lead is 
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)

Comment: even though |the sources are reliable, |each citation is a bare mention. (Yes, Scott's is highly reliable
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS||WP:SIGCOV)

Comment: The sources are reliable, but don't discuss the topic as a whole.  Neither do other sources that I can find.  Fails  and 
Stance: delete
Cited policy: Wikipedia:Notability (WP:LISTN||WP:INDISCRIMINATE)