Abumandour, M. M. (2014). Histomorphological studies on the stomach of Eurasian hobby (Falconinae. Falco subbuteo, Linnaeus1758) and its relation with its feeding habits. Life Science Journal, 11(7), 809-819.
Akbari, G., Babaei, M., & Goodarzi, N. (2018). The morphological characters of the male external genitalia of the European hedgehog (Erinaceus Europaeus). Folia Morphologica, 77(2), 293-300.
Bacha Jr, W. J., & Bacha, L. M. (2012). Color atlas of veterinary histology. John Wiley & Sons.
Banks, W. J. (1992). Histologia veterinarian aplicada. 2nd edition. Sao Paulo, Brazil: Manhole. 629 p.
Brown, L. (1976). Eagles of the World. David and Charles.
Catroxo, M. H., Lima, M. A., & Cappellaro, C. E. (1997). Histological aspects of the stomach (Proventriculus and gizzard) of the red-capped cardinal (Paroaria gularis gularis, Linnaeus, 1766). Revista chilena de anatomía, 15(1), 19-27.
Das, S., Dhote, B. S., Singh, G. K., & Sinha, S. (2017). Histomorphological and micrometrical studies on the proventriculus of Kadaknath fowl. Journal of Entomology and Zoology Studies, 5(3), 1560-1564.
de Lima, M. A. I., & da Silva Sasso, W. (1985). Histochemical detection of glycoproteins in the gastric epithelia of Columba livia. Acta Histochemica, 76(2), 145-IN1.
De Oliveira Rocha, S., & Inforzato de Lima, M. A. (1998). Histological aspects of the stomach of burrowing owl: Spéotyto cunicularia, Molina, 1782. Revista Chilena de Anatomía, 191-197.
Deka, A., Rajkhowa, J., Das, B. J., Das, S., & Devchoudhury, K. B. (2017). Gross and histomorphological observation of stomach of greater adjutant stork (Leptoptilos dubius). Journal of Entomology and Zoology Studies, 5(3), 939-941.
Eurell, J. A., & Frappier, B. L. (2013). Dellmann's textbook of veterinary histology. 6th edition. John Wiley & Sons.
Forsman, D. (1999). The raptors of Europe and the Middle East: a handbook of field identification. London: T & AD Poyser.
Glevean, A., & Katchourian, E. (1964). Histological and histochemical study of Gallus gallus domesticus gizzard. Revista de Farmácia e Bioquímica da Universidade de São Paulo, 2, 73- 84.
Groombridge, J. J., Jones, C. G., Bayes, M. K., van Zyl, A. J., Carrillo, J., Nichols, R. A., & Bruford, M. W. (2002). A molecular phylogeny of African kestrels with reference to divergence across the Indian Ocean. Molecular phylogenetics and evolution, 25(2), 267-277.
Hassan, S. A., & Moussa, E. A. (2012). Gross and microscopic studies on the stomach of domestic duck (Anas platyrhynchos) and domestic pigeon (Columba livia domestica). Journal of Veterinary Anatomy, 5(2), 105-127.
Hodges, R. D. (1974). The histology of the fowl. London: Academic Press INC Ltd.
Jain, D. K. (1976). Histomorphology and proteolytic activity in the gastric apparatus of frugivorous, carnivorous and omnivorous species of birds. Acta biologica Academiae Scientiarum Hungaricae, 27(2-3), 135-145.
Kadhim, K. K., Zuki, A. B., Noordin M. M., & Babjee S. M. (2011). Histomorphology of the stomach, proventriculus and ventriculus of the red jungle fowl. Anatomia Histologia Embryologia, 40(3), 226-233.
Kalantari-Hesari, A., Shahrooz, R., Ahmadi, A., Malekinejad, H., & Saboory, E. (2015). Crocin prevention of anemia-induced changes in structural and functional parameters of mice testes. Journal of Applied Biomedicine, 13(3), 213-223.
McLeland, J. (1990). A colour atlas of avian anatomy. Creighton University, Omaha, Nebraska.
Ogunkoya, Y. O., & Cook, R. D. (2009). Histomorphology of the proventriculus of three species of Australian passerines: Lichmera indistincta, Zosterops lateralis and Poephila guttata. Anatomia Histologia Embryologia, 38(4), 246-253.
Raji, A. R., & Asadi, M. (2013). Histological and histochemical study of the proventriculus and gizzard of the Passer domesticus. Veterinary Journal (Pajouhesh & Sazandegi), 26(3), 2-9.
Rossi, J. R., Baraldi-Artoni, S. M., Oliveira, D., Cruz, C. D., Franzo, V. S., & Sagula, A. (2005). Morphology of glandular stomach (Ventriculus glandularis) and muscular stomach (Ventriculus muscularis) of the partrigde Rhynchotus rufescens. Ciência Rural, 35, 1319-1324.
Sayrafi, R., & Aghagolzadeh, M. (2020). Histological and histochemical study of the proventriculus (Ventriculus glandularis) of common starling (Sturnus vulgaris). Anatomia Histologia Embryologia, 49(1), 105-11.
Selvan, P. S., Ushakumary, S., & Ramesh, G. (2008). Studies on the histochemistry of the proventriculus and gizzard of post‐hatch guinea fowl (Numida meleagris). International Journal of Poultry Science, 7(11), 1112-1116.
Shahrooz, R., Agh, N., Jafari, N., Kalantari, A., Jalili, R., & Karimi, A. (2018). Effects of fish oil replacement with vegetable oils in rainbow trout (Oncorhynchus mykiss) fingerlings diet on growth performance and foregut histology. Turkish Journal of Fisheries and Aquatic Sciences, 18(6), 825-832.
Udoumoh, A. F., & Ikejiobi, J. C. (2017). Morphological features of glands in the gastrointestinal tract of the African pied crow (Corvus albums). Comparative Clinical Pathology, 26(3), 585-590.
Vazhov, S. V., Bachtin, R. F., Barashkova, A. N., & Smelansky, I. E. (2013). On the Study of the Steppe Eagle in the Altai Kray, Russia. Raptors Conservation, 27, 162-171.
Zhu, L., Wang, J. J., Shi, X. D., Hu, J., & Chen, J. G. (2013). Histological observation of the stomach of the yellow-billed grosbeak. International Journal of Morphology, 31(2), 512-515.
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