What is TNR? TNR is for Trap Neuter and Return

And what is with those tipped ears?  It marks the cats as being vaccinated and spayed or neutered.  They also get treated for parasites and other problems they may have.  

 

This informative chart from Petsmart Charities explains TNR very well

TNR saves lives it is endorsed by Animal Welfare Groups all over the Globe. 

What should you do if you find a kitten and don't see its mother?   This chart is very helpful.