According to the memoirs of art director of the animated film Leonid Schwartzman, Vladimir Lenin became the prototype of the parrot in the film.
"38 parrots" - 1st prize "Crystal Cup" at the IFF in Zagreb (1975).
Diploma in ICF in Riga (1977).
The unit name "Parrots" is deeply rooted in technical slang. Any (most often - dimensionless) unit of measure in colloquial (less often - in written) speech for fun can be called "Parrots."