Table 1 Details of the survey conducted in the state of Rajasthan and Maharashtra for GIB in 2014, 2016 and 2017 respectively.

From: Testing performance of large-scale surveys in determining trends for the critically endangered Great Indian Bustard Ardeotis nigriceps

Survey details

Number of grids surveyed

Area surveyed (sq. km)

Estimated occupancy (ψ)

Detection probability (p)

Rajasthan State, 2014

118

16,992

0.06

0.25

Rajasthan State, 2016

120

17,280

0.11

0.52

Maharashtra State, 2017* (Blind test)

372

53,568

0.08

0.13

  1. Estimates of occupancy and detection probability are given in the table.
  2. *Calculated using life-size dummy to test the detection probability and occupancy.
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