Grey parrot Psittacus harvesting for conservation must have a robust scientific basis: A response to Tamungang et al. (2013)

Abstract

Estimates of population sizes forms many aspects of conservation policy and planning, including IUCN Red List decisions and CITE decisions on trade in endangered species. For population size estimates to be useful to decision-makers, it is critical that they are made using appropriate methods and that when reported, sources of uncertainty and systematic bias are discussed and accounted for in the conclusions. A failure to do so impedes effective decision-making with potentially negative consequences for conservation.