MORPHOLOGICAL, HISTOLOGICAL, AND HISTOCHEMICAL STUDIES OF STOMACH, PROVENTRICULUS, AND GIZZARD IN SLENDER-BILLED GULL CHROICOCEPHALUS GENEI (BRÈME, 1839) (AVES, CHARADRIIFORMES, LARIDAE) - Ahmed M. Ahmed; Ahmed A. Al-Jawadi; Hadeel K. Khaleel (Bulletin of the Iraq Natural History Museum, 2025)