Maleo (Macrocephalon maleo): Revise global status?

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2 Responses to Maleo (Macrocephalon maleo): Revise global status?

  1. Thomas Martin says:

    The recent in prep. publication by Summers et al. sounds like it will be a incredibly useful and sorely needed resource for re-assessing the conservation status of this iconic species, given the length of time that has elapsed since the last detailed assessment of the species’ breeding grounds. If Summers et al. present evidence regarding steep declines in birds visiting breeding grounds (and the text suggests an 80% decrease), this would indeed be a stark indication that this species warrants its conservation status being raised to Critically Endangered. While the results of Summers et al. are not yet accessible, such declines are entirely believable given the uniquely vulnerable nature of the species’ ecology, and the lack of conservation investment into protecting most breeding grounds. While Summers et al. will no doubt be the definitive source for considering the status change for this species, I would add that a more local publication was recently published by Froese and Mustari (2019) (Assessments of Maleo Macrocephalon maleo nesting grounds in South-east Sulawesi reveal severely threatened populations) which highlighted that three known breeding grounds on Buton Island, SE Sulawesi, were unsustainably harvested, highly degraded, and in danger of being abandoned in the near future.

  2. Robert Davis says:

    I agree with the proposal, particularly given the information on the decline in nesting. We also ranked all megapodes with regard to sensitivity to climate change and this was the 10th most at risk species particularly driven by increasing temperatures, with our prediction that this will also affect future nesting success. This further supports the information presented.

    Radley, P., Davis, R.A., Dekker, R., Molloy, S.W., Blake, D. and Heinsohn, R. (2018). Vulnerability of megapodes (Megapodiidae; Aves) to climate change and related threats. Environmental Conservation. 45 (4): 396-406.

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