His coat is thick and black except for a big white patch on his chest. His right ear sticks up. The other one flops over. His deep brown eyes are fixed thoughtfully on the camera snapping his portrait.Oreo, a lab mix, was dropped off at Orlando's public animal shelter by owners who no longer wanted him, his ad on the shelter's website says. He's probably about 4. He likes kids. He's affectionate.What the website doesn't say - much to the chagrin of Jean Linman, who last year helped launch a group called No-Kill Kirman Roads - is that Oreo and the rest of the shelter's wards are about as likely to be killed there as they are to be adopted.