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Table 2 Habitat-specific density and population estimates for Visayan Hornbill in the Northwest Panay Peninsula

From: Population assessment and habitat associations of the Visayan Hornbill (Penelopides panini) in Northwest Panay, Philippines

Habitat Habitat area (km2) Total efforta Number of encounters (total number of individuals) Density estimate ± % CV Population estimate
 ± % CVb
Primary forest 104.7 165 (111) 31 (43) 17.8 ± 26.9 1861 ± 26.9 (1104–3135)
Secondary forest 221.6 125 (102) 12 (15) 3.7 ± 33.2 813 ± 33.2 (429–1542)
Plantation 33.1 49 (39) 0 (0) 0 0
Open 15.3 28 (22) 0 (0) 0 0
  1. aNumbers of points are in parentheses
  2. b95% confidence intervals are in parentheses. Estimates are given for the data right truncated at w = 95 m