. 2021 Mar 20;106(5):805–811. doi: 10.1007/s00128-021-03184-w

Table 2.

Mean concentrations (± SE) ppm of heavy metals concentration in House Crow, Common Myna and House Sparrow among the study sites

	Rawalakot	Hajira	Abbaspur	Dreak	Kruskal–Wallis test on difference (p value)
House Crow
Lead (ppm)	0.74 ± 0.48^AB	0.78 ± 0.58^A	0.02 ± 0.10^B	1.05 ± 0.89^A	0.006
Nickel (ppm)	0.18 ± 1.05^A	0.76 ± 0.84^AB	0.27 ± 0.69^A	1.70 ± 0.77^B	0.000
Chromium (ppm)	0.21 ± 0.03	0.18 ± 0.05	0.16 ± 0.04	0.26 ± 0.14	0.070
Myna
Lead (ppm)	1.76 ± 0.71^A	0.64 ± 0.17^BC	0.19 ± 0.70^C	1.06 ± 0.45^AB	0.000
Nickel (ppm)	0.90 ± 0.62^A	0.05 ± 0.16^B	0.08 ± 0.60^B	0.85 ± 0.56^A	0.000
Chromium (ppm)	0.22 ± 0.01	0.25 ± 0.02	0.26 ± 0.16	0.26 ± 0.08	0.837
House Sparrow
Lead (ppm)	0.54 ± 0.5^A	2.25 ± 1.57^B	1.15 ± 0.67^AB	0.72 ± 0.47^A	0.002
Nickel (ppm)	0.61 ± 0.52^AB	1.36 ± 1.39^B	0.04 ± 0.47^A	0.05 ± 0.40^A	0.004
Chromium (ppm)	0.16 ± 0.05	0.21 ± 0.03	0.18 ± 0.02	0.20 ± 0.03	0.057
Overall
Lead (ppm)	1.01 ± 0.78^AB	1.23 ± 1.19^A	0.46 ± 0.74^B	0.95 ± 0.64^AB	0.012
Nickel (ppm)	0.56 ± 0.80^A	0.60 ± 1.15^A	0.05 ± 0.59^B	0.87 ± 0.89^A	0.001
Chromium (ppm)	0.20 ± 0.04	0.21 ± 0.04	0.20 ± 0.10	0.24 ± 0.10	0.198

Similar superscripts in row are considered as non significant