It's def not a killdeer...those look just like the parents and run like wild banchees if you come close to them!
If you take a better picture of the whole bird we might be able to help.
I second the bird formula, although you can make one of your own. The link below tells you what you need (yogurt, cat food, egg yolk or dog food, baby food and eggs) I provided a couple links to help:
http://www.wikihow.com/Make-Baby-Bird-Rescue-Food
http://www.ehow.com/way_5672361_homemade-baby-bird-food.html
http://www.2ndchance.info/insecteater.htm
http://www.cockatielcottage.net/formula.html
If you take a better picture of the whole bird we might be able to help.
I second the bird formula, although you can make one of your own. The link below tells you what you need (yogurt, cat food, egg yolk or dog food, baby food and eggs) I provided a couple links to help:
http://www.wikihow.com/Make-Baby-Bird-Rescue-Food
http://www.ehow.com/way_5672361_homemade-baby-bird-food.html
http://www.2ndchance.info/insecteater.htm
http://www.cockatielcottage.net/formula.html