DigitalNatura.Org - Gralla de bec groc, chova piquigualda (Pyrrhocorax graculus) http://digitalnatura.org/details.php?image_id=2419 Mon, 13 Apr 2026 08:14:37 GMT http://digitalnatura.org/data/thumbnails/1/GBGae_copia.jpg Gralla de bec groc, chova piquigualda (Pyrrhocorax graculus) http://digitalnatura.org/details.php?image_id=2419