She sings for the sky, she sings for the rain, she sings for the spray from the rehaber's hose too.

Drawn from a photo I took while giving the birds showers at the Raptor rehab.
One of the rehab birds will stretch her wings out life her heads and open her mouth occasionally squawking.
She's being house with the resident raven right now. They're a fun pair to watch from a behavior standpoint. Interesting communication between the 2 for sure.
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Yea, I know Ravens aren't raptors but it's ok they're Ravens.