1cy October (male). GC1-3 juvenile, contrasting to post-juvenile GC4-10. Juvenile outer GC are worn and paler grey with narrow white tips while the inner post-juvenile ones are darker greyish black, showing a wide rusty tip. [1ET80898]
1cy October (male). GC1-3 juvenile, contrasting to post-juvenile GC4-10. Juvenile outer GC are worn and paler grey with narrow white tips while the inner post-juvenile ones are darker greyish black, showing a wide rusty tip. [1ET80898]