Young female budgie who just became sexually mature:

Young female budgie who just became sexually mature:

Sexually mature female budgie who is in the mood for breeding:

Sexually mature female budgie who is in the mood for breeding:

Sexually mature female budgie who is in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie with hormonal disorder:

Sexually mature female budgie who is in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who is in the mood for breeding:

Sexually mature female budgie who just was in the mood for breeding and now isn't:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who just was in the mood for breeding and now isn't because this hen became very ill:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie with a hormonal disorder due to an illness:

Juvenile female who isn't sexually mature yet:

Sexually mature female budgie who is in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie with a hormonal disorder due to an illness:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who isn't in the mood for breeding:

Sexually mature female budgie who just gets into the mood for breeding:

Sexually mature female budgie (lutino hen) who is in the mood for breeding:

Young female who hasn't become sexually mature yet:

Website von G.A. Pontrandolfo: Darwin's Budgies

Sexually mature female budgie who is in the mood for breeding:

Website von G.A. Pontrandolfo: Darwin's Budgies

This chapter in Turkish on muhabbetkusu.org