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Table 1 Sampling food density and focal observations over three winter stages of Hooded Cranes

From: Shifts in foraging behavior of wintering Hooded Cranes (Grus monacha) in three different habitats at Shengjin Lake, China

Period Habitat Food density (g/m2) Rate of foraging success (times/s) Sample size Foraging effort Sample size
Early stage Paddy fields 123.395 ± 25.699 0.105 ± 0.051 25 0.682 ± 0.294 51
Meadows 212.200 ± 141.144 0.063 ± 0.036 43 0.698 ± 0.291 50
Mudflats 14.023 ± 5.897 0.048 ± 0.048 47 0.656 ± 0.151 37
Middle stage Paddy fields 93.206 ± 28.547 0.099 ± 0.057 29 0.752 ± 0.202 58
Meadows 248.330 ± 121.451 0.050 ± 0.046 62 0.781 ± 0.165 66
Mudflats 14.498 ± 10.908 0.031 ± 0.024 60 0.571 ± 0.257 55
Late stage Paddy fields 62.563 ± 25.253 0.058 ± 0.027 55 0.691 ± 0.185 8
Meadows 198.595 ± 117.354 0.070 ± 0.038 30 0.773 ± 0.156 41
Mudflats 9.005 ± 7.375 0.048 ± 0.022 30 0.740 ± 0.102 14