Species are declared extinct when there have been no verifiable sightings for 50 years. Declaring a species extinct has implications for conservation efforts and policies.
Articles on International Union for Conservation of Nature
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Nearly all species of sharks and rays are captured in fishing operations. But research shows that fishing quotas and closing some areas to fishing can help rebuild threatened populations.
Camera traps in the Batéké Plateau National Park in Gabon are showing some interesting finds.
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Postdoc with the Elephant Listening Project at BRP, Cornell University
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Professor, Biodiversity, Phylogeny & Evolution, Simon Fraser University
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Postdoctoral research fellow in Biological Sciences, Simon Fraser University
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Undergraduate Researcher, Simon Fraser University
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Professor, Department of Biological Sciences, Simon Fraser University