Pet Budgies Call to Roost

When my budgies hear the 9 pm cardinal call on the singing bird clock, they begin their nightly roosting call. I suspect that wild budgies (native to Australia) do this but we commonly see (and hear!) this bird behavior when sparrows, starlings, and grackles gather in large groups to roost in trees.

Видео Pet Budgies Call to Roost канала S Varner