On the one hand we Mammals do go to some lengths to both conceal and reveal the very objects that give us our Linnaean and cladistic* classification.
On the 'udder' hand there is truely tragic news concerning the total failure of H&S in Livestock farming.
Perhaps at root, with both stories, lies our habit of keeping things too long under wraps. Sooner or later we all end up enmired.
People and their pets...eh?
*
http://en.wikipedia.org/wiki/Cladistics