In April, two lions died in the Mara Reserve on the border of Kenya and Tanzania shortly after eating contaminated hippo meat. According to an annotated summary in the Mara Triangle blog, the lions suffered front-limb paralysis the morning after ingesting the meat. One had to be euthanized shortly thereafter. Eventually, tests confirmed that the hippo meat that the lions ate contained Carbofuran, a pesticide that has been widely banned. Here’s a an excerpt of the report:
The history of the case reveals that three out of four affected lions had fed on a hippo carcass found on the river bank on March 31st. The first signs of sickness appeared three days post-ingestion, when a sick lion (Male #1) was found to be weak, staggering and sitting under a thicket.
The following morning, Male #1 was unable to walk and showed clear signs of front limb paralysis; where the animal could not stand and walk in a normal posture. He used his hind limbs to “hop like a rabbit” in an attempt to move forward.
The condition deteriorated rapidly within the course of a day, and Male #1 was no longer able to ‘hop’ by the early afternoon. On the same day, another young male (Male #2) from the same pride began showing a more severe form of paralysis and was recumbent by afternoon. This was followed by a lesser degree of paralysis in two more males during the next five days. Read more…
The case highlights the plight of lions that have been steadily declining all across Africa over the last two decades. Their numbers have dwindled from 100,000 in the early 1990s to no more than 30,000 and as few as 16,000 today.
Watch a preview of NATURE
NATURE’s “The Vanishing Lions” investigates declining lion populations this Sunday, June 29th at 8pm on Thirteen. Watch a preview of the episode at NATURE online, then discover what measures experts are taking to reverse the trend.
Laikipia Predator Project
You can also read about the Laikipia Predator Project, a program sponsored by the Wildlife Conservation Society and an array of other conservation groups designed to help local farmers protect their livestock from lions so they don’t have to kill them.
For more information, including video and Web-exclusives of upcoming programs, visit NATURE online.











Robert Says:
With Civil War and political unrest going on as much as it has, I’m afraid saving lions goes low on the list of things needed to be done.