What is "shelter dogs"

n. (plural of shelter dog English)

Shelter Dogs is a 2003 documentary film directed and produced by Cynthia Wade about animal welfare in the United States and the ethics of animal euthanasia. Following a particular New York animal shelter and its staff over a three-year time span, Wade gives her audience a complex, honest look at the situations that arise when it comes to homeless animals and some of the difficult, controversial decisions that must be made within them