I used to think that birds were deaf - as you can't see their ears (because they're concealed by feathers).
Also, somebody once told me that if you feed a pigeon lemonade, it will explode!!!
A childhood belief about birds

others believed things like this
- at the age of seventeen my sister thought another name for a pigeon hole was a birds nest.— Sophie
- When I was little, I thought that birds feathers were made out of twigs and cat hairs.— Lily
- When I was little ,I used to believe that deaf people didn't have ears.— rainbow
- I used to believe you could pour lemonade in a pan, put it in the oven and make lemonade cake.— wumpmugg
- i thought "two pence a bag" from feed the birds from mary poppins was "toppins of ag"Anon
- Ice cream was made from feathers. My brother told me it was.— ed209