Can pidgeons die after hitting their head? :(?

He should be fine. I have a bird that flew into a big window once at full speed. He was completely fine and still is. I also went outside one day to find about 20 Brewer Blackbirds in the chicken coop, they were panicking and who knows how many times they hit their heads and even got their heads stuck. I took the few that were bleeding badly and couldn't walk into the house and they were even fine! They got better in a few days and I let them go, they flew right off. Happy ending! lol. Things happen to birds sometimes that look rough but they always seem to make it through.