European Greenfinch – Satin Agate with a Yellow Beak

Description:

Selection continues; pictured here is a combination of the Satin Agate (formerly Lutino) mutation with the Yellow-beak mutation. This female specimen is particularly spectacular. The Satin Agate mutation is sex-linked and recessive, whilst the Yellow Beak mutation is an autosomal recessive trait. Specimen from 2020.

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