1cy September (Mongolia). Juv RR are generally slightly narrower and show more pointed tips than fresh post-br adult ones. Because of lower feather quality, some bleach and wear may appear already from mid-autumn and onwards. [90764483]
1cy September (Mongolia). Juv RR are generally slightly narrower and show more pointed tips than fresh post-br adult ones. Because of lower feather quality, some bleach and wear may appear already from mid-autumn and onwards. [90764483]