When I was little, I used to think that when burrs came in contact with birds that the birds would stick to them.
The birds, not able to escape, I thought that they would eventually morph into burrs.
A childhood belief about birds

others believed things like this
- When I was eight, I thought my dad could translate what the birds were saying. I have no idea why.Anon
- I thought birds grew from bird seed. — Jen
- When I was little, I thought that birds feathers were made out of twigs and cat hairs.— Lily
- at the age of seventeen my sister thought another name for a pigeon hole was a birds nest.— Sophie
- i thought "two pence a bag" from feed the birds from mary poppins was "toppins of ag"Anon
- i used to think flies were little birds!— unforgiv3n