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Are vulnerable lions eating endangered zebras?

New study looks at whether a recovering predator is causing another species to decline

Date:
August 31, 2018
Source:
Wildlife Conservation Society
Summary:
Are Laikipia's recovering lions turning to endangered Grevy's zebras (Equus grevyi) for their next meal?
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Are Laikipia's recovering lions turning to endangered Grevy's zebras (Equus grevyi) for their next meal?

That's what a team of researchers led by WCS and WWF set out to discover -- whether the comeback of a top predator -- in this case lions in Laikipa County, Kenya -- were recovering at the expense of Grevy's zebras, which number only around 2,680 individuals with half of those living in Likipia.

In recent years, lion numbers have slowly recovered in this region as livestock ranching -- which commonly practiced shooting or poisoning lions -- has given way to wildlife tourism. Lions (Panthera leo) are classified as Threatened by IUCN.

Publishing their results in the journal PLOS ONE, the team used satellite telemetry to track the movements of both lions and zebras.

The team found that lions preyed on both Grevy's and plains zebras (Equus quagga) far less than expected. Their data showed that the population of Grevy's zebra populations may in fact be stabilizing with recruitment into the population tripling since 2004.

The researchers did conclude that competitive displacement by livestock and interference competition for grass from plains zebras, which are 22 times more abundant than Grevy's, are most likely the predominant threat to Grevy's zebras' recovery.


Story Source:

Materials provided by Wildlife Conservation Society. Note: Content may be edited for style and length.


Journal Reference:

  1. Timothy G. O’Brien, Margaret F. Kinnaird, Steven Ekwanga, Christopher Wilmers, Terrie Williams, Alayne Oriol-Cotterill, Daniel Rubenstein, Laurence G. Frank. Resolving a conservation dilemma: Vulnerable lions eating endangered zebras. PLOS ONE, 2018; 13 (8): e0201983 DOI: 10.1371/journal.pone.0201983

Cite This Page:

Wildlife Conservation Society. "Are vulnerable lions eating endangered zebras?." ScienceDaily. ScienceDaily, 31 August 2018. <www.sciencedaily.com/releases/2018/08/180831110416.htm>.
Wildlife Conservation Society. (2018, August 31). Are vulnerable lions eating endangered zebras?. ScienceDaily. Retrieved June 23, 2024 from www.sciencedaily.com/releases/2018/08/180831110416.htm
Wildlife Conservation Society. "Are vulnerable lions eating endangered zebras?." ScienceDaily. www.sciencedaily.com/releases/2018/08/180831110416.htm (accessed June 23, 2024).

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