Which then made me wonder where/how the acceptance of "bird-brained" (as in silly, of limited attention span, etc) came about, as opposed to the intellectual quality of your basic fowl. Of course, like all good cliff-hangers, I'm not going to reveal the specifics of which particular "bird-brainism" was engaging me at the time.
Nevertheless, for my own protection, I must point out the reference to "AC" on the above-mentioned hyperlink is not me. I did not put the reference there. I do now know who did. I have not gained any monetary or other benefit from the "AC" link on the Bible Meanings page.
Curses!!! I didn't mean to wreck the cliff-hanging experience for my reader. Sorry about that ...
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"This image is in the public domain because its copyright has expired. This applies to the United States, Australia, the European Union and those countries with a copyright term of life of the author plus 70 years."
So if you're resident in another country that possibly does not apply the Rule of The Shorter Term, I guess the answer is to not look at the image?
However, a really fascinating fact about the Laughing Owl is that it hasn't been seen since 1914. Which I guess is about the last time anyone heard someone whistling a tune for no apparent reason. Now that's going to be a really hard one to research! Good luck with that.