Is the female polecat, 'Velvet' giving a rendition of 'The Hills are Alive'? No; in fact she is just having a good yawn, at the British Wildlife Centre.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/peter-trimming/">Peter Trimming</a> from Croydon, England
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/peter-trimming/5476897151/">Singing Polecat?</a>
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