Falkland Islands wolf
The Falkland Islands wolf (Dusicyon australis), also known as the warrah or Falkland Islands fox, was the only native land mammal of the Falkland Islands. It existed on both West and East Falkland, and its fur had a tawny colour with a white tip on the tail. Its diet is unknown, but it likely subsisted on seashore scavenging, ground-nesting birds, seal pups, and insects, and may have lived in burrows.
- Closest living relative
- South American canid genus Lycalopex
- Time of divergence from maned wolf
- About 1.6 million years ago (from Lycalopex species)
- Time of divergence from Dusicyon avus
- Uncertain; relationship and divergence date not widely established
Lore & Background
A later voyage saw a wolf jump overboard after being frightened by cannon fire, though this anecdote is not from Strong's expedition. Louis Antoine de Bougainville, who established the first settlement in the Falkland Islands, termed it a loup-renard ("wolf-fox"). However, at the time of his visit, the Falkland Islands wolf was already very rare on East Falkland, and its numbers were declining rapidly on West Falkland. Darwin predicted it would become extinct like the dodo within "a very few years."
Reader's Guide
The Falkland Islands wolf is significant as the only native land mammal of the Falkland Islands and a notable example of island extinction. The route by which it colonized the Falklands remains uncertain; recent studies suggest it may have either naturally colonized the islands or originated from domesticated Dusicyon avus brought by people before European settlers arrived. Its extinction was driven by hunting for its valuable fur and by settlers who regarded it as a threat to sheep, though the belief that it threatened sheep was probably due to sheep mistaking the wolves for dogs and fleeing into bogs. The wolf had no fear of humans and could be lured with meat and killed with a knife. Only a dozen or so museum specimens exist today. Its legacy includes influencing Darwin's early thoughts on species variation and island biogeography.
Did You Know?
- Charles Darwin found the Falkland Islands wolf tame and predicted its extinction within a few years.
- The Falkland Islands wolf's closest living relative is the South American canid genus Lycalopex, not the maned wolf.
- Only a dozen or so museum specimens of the Falkland Islands wolf exist today.
Frequently Asked Questions
What did the Falkland Islands wolf look like?
It carried a tawny coat across its body and sported a white tip at the end of its tail. Overall it was a modest-sized canid well suited to the open, windswept terrain of the archipelago.
What did the Falkland Islands wolf eat?
Its precise diet is not fully resolved, but it most probably scavenged along the shoreline, hunted ground-nesting birds and seal pups, and picked up insects for extra calories. Some researchers also suggest it may have dug burrows for shelter and possibly for caching food.
What is the Falkland Islands wolf's closest living relative?
Its nearest extant relatives are the South American foxes in the genus Lycalopex. Molecular evidence places the split from the maned wolf lineage at roughly 1.6 million years ago, while its exact relationship to the extinct Dusicyon avus and the timing of that divergence remain unsettled.
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