The absolute most important issue to keep in mind is that a baby bird is a lot better off with its mother. All dogs have to be socialized from a young age and have to learn how to accept strangers in their property and near their owners. After feeding it, it is going to acquire sleepy just as with any other baby, and it'll want to sleep.
In the event the real parents aren't around, consider finding another family with chicks near the identical age. Saving the child out of their own mistakes means that you don't trust them to manage the situation by themselves. Sure once you speak to the child on the phone they'll swear it won't ever happen again, and you wish to believe them.
The size and detail of you kit will largly be dependent on the space you have to store this, and the budget that you're working with. There are several excellent books and internet resources about how to get ready for a disaster and the way to create an emergency kit and stockpile of supplies. Thus, obtaining these 2 items would surely help.