Its not a stick. Its cartalidge. Its to keep the feather stiff and stable so they can fly. Without it, the bird would simply fall out of the nest, and die.
It means people and animals tend to stick to their own kind.
Bill and Ted's Excellent Adventures - 1990 Birds of a Feather Stick to the Roof of Your Mouth 1-6 was released on: USA: 27 October 1990
Birds of a feather are said to "flock together".
"Birds of a feather flock together."
The duration of Birds of a Feather is 1800.0 seconds.
Birds of a Feather was created on 1989-10-16.
Birds of a Feather ended on 1998-12-24.
In the nursery rhyme "Birds of a Feather," the birds will flock together.
Birds of a Feather - Phish song - was created in 1998.
Birds of a feather flock together, but all birds cannot fly.
Birds of a Feather - 2012 I is rated/received certificates of: USA:R
Birds of a Feather - 1989 is rated/received certificates of: Australia:PG