Board Thread:Speculation House/@comment-226878-20140806074858/@comment-14909251-20150108223616

Hmm, you might actually be on to something with the Loki connection. It appears in some stories Loki once took the form of a lark:

http://www.hurstwic.org/history/articles/mythology/myths/text/treasures.htm

Loki would also be another morally complicated character given his status as a god of mischief.