Chick bobbing head and chirping franctically

[Will Vooghty 9]

I have 3 chicks in my brooder (i lost 2 within the first 2 days of birth). One of my chicks seems to keep quite harshly bobbing its head back and chirping when doing so. Im a bit confused why it could be doing this as it does this every couple of seconds and has been doing this all day. Could someone answer why it is this and how i could prevent it

Many thanks

 

[Wyorp Rock]

It could be stress from shipping.
Provide some vitamins such a Poultry Nutri-Drench or Poultry Cell vitamins, these can usually be found at your local feed store.