that is very sad you lost your chick.
I hope the chick didn't suffer long. :/ Sometimes we lose animals its not our fault.
I lost my cat Xena I had to leave her behind when I moved to Canada. The movers came to take my parent's things away and she hid. I think she somehow escaped outside and was spotted by a neighbor as a stray since my parents moved to Utah at the time. I felt so horrible after she was gone. :/ I thought I was a bad pet keeper for moving up to Canada. I thought she would be quarantined and it would of been horrible having her locked up in a cage until she can be freed.
I also lost one of my parakeet's my best friend (sadly who isn't my best friend anymore) let Wheatie out of the cage. She opened the top part of the cover. :/ He flew away.