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Bheramara Upazila of Bangladesh is a significant place to observe avian population.At the time of surveying, direct observation, and interviews with local people could help to write this paper.The avian diversity in the Bheramara Upazila of Bangladesh resulted the richness of birds with 48 species.The Shannon-Wiener index suggested very high richness in Site D (tree), Site E (bush), and Site F (flying) with 3.533, 3.562, and 3.679 values, and high diversity in Site A (waterbody) and Site B (cropland) with 3.394 and 3.196 values accordingly.Shannon-Wiener index value in Site C (ground) (2.902) was not significant on the basis of birds' population.Based on the number of the species and their abundance, the Simpson index was carried out with high diversity in all sites with 0.939, 0.918, 0.895, 0.957, 0.960, 0.970 values.Relative abundance of different species in this area was found the highest in flying condition (0.950) whereas the lowest on ground (0.750), so the results exhibited according to the Shannon-Wiener indices are F > E > D > A > B > C sites accordingly.Values of the Berger-Parker did not find significant in all sites.Out of 48 species, passerine birds were 18 in number and non-passerine 30 species.Within all species, orders were 14, families 30, breeding birds 15, and resident birds were 48 (94%).Based on availability of the birds, this upazila focused very common birds 23, common 16, few 4, uncommon 3, and rare 1.This study was carried out from