Tag Archives: Knobbed Hornbill

Archived 2011-2012 topics: Knobbed Hornbill (Aceros cassidix) and Sulawesi Hornbill (Penelopides exarhatus): uplist to Near Threatened?

Knobbed Hornbill Aceros cassidix and Sulawesi Hornbill Penelopides exarhatus are both currently listed as Least Concern. However, a recent reanalysis by Kinnaird and O’Brien (2007) has suggested that both species are declining at rates approaching 30% over ten years/ three generations based on recent and ongoing rates of habitat loss on Sulawesi. Comment and information relevant to the proposal to uplist these species would be welcome. Continue reading

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