You may wish to review the dissertation referenced at https://smartech.gatech.edu/handle/1853/30066. The author can be reached a [email protected]. I believe her conclusions would imply that seabirds have a reduced response to UV light compared to their forest-dwelling counterparts.
I didn't see any uplight regarding your answer, sorry for the delay, because the link you sent looks very interesting. Unfortunatelly, although I create an account and signed in, I'm not allowed to download the file. Do you know any other way to have access to it? Thanks