Panthera leo spelaea
|Panthera leo spelaea
Temporal range: Middle Pleistocene–Late Pleistocene
|Skeleton in Vienna|
|Subspecies:||†P. l. spelaea|
|Panthera leo spelaea
The cave lion is sometimes considered a species in its own right, under the name Panthera spelaea, and at least one authority, based on a comparison of skull shapes, considers the cave lion to be more closely related to the tiger, which would result in the formal name Panthera tigris spelaea. However, recent genetic research shows it was most closely related to the modern lion among extant felids, and that it formed a single population with the Beringian cave lion, which has been sometimes considered as to represent a distinct form. Therefore, the cave lion ranged from Europe to Alaska over the Bering land bridge until the late Pleistocene. However, it is still not clear whether it should be considered a subspecies of the lion or rather a closely related species.
Analysis of skulls and mandibles of a lion that inhabited Yakutia (Russia), Alaska (USA), and the Yukon Territory (Canada) during the Pleistocene epoch suggested that it was a new subspecies different from the other prehistoric lions, Panthera leo vereshchagini, known as the East Siberian- or Beringian cave lion It differed from Panthera leo spelaea by its larger size and from the American lion (Panthera leo atrox) by its smaller size and by skull proportions. However, recent genetic research, using ancient DNA from Beringian lions found no evidence for separating Panthera leo vereshchagini from the European cave lion; indeed, DNA signatures from lions from Europe and Alaska were indistinguishable, suggesting one large panmictic population.
The cave lion (Panthera leo spelea) was evolved from the earlier Panthera leo fossilis, which first appeared in Europe about 700,000 years ago. Genetic evidence indicates this lineage was isolated from extant lions after its dispersal to Europe. P. l. spelaea lived from 370,000 to 10,000 years ago, during the Pleistocene epoch. Apparently, it became extinct about 12,500 C-14 years ago, as the Würm glaciation receded.
Mitochondrial DNA sequence data from fossil remains show the American lion (P. l. atrox) represents a sister lineage to P. l. spelaea, and likely arose when an early P. l. spelaea population became isolated south of the North American continental ice sheet about 0.34 Mya.
This subspecies was one of the largest lions. The skeleton of an adult male, which was found in 1985 near Siegsdorf (Germany), had a shoulder height of around 1.2 m (4 ft) and a head-body length of 2.1 m (7 ft) without the tail. This is similar to the size of a very large modern lion. The size of this male has been exceeded by other specimens of this subspecies. Therefore, this cat may have been around 8%-10% bigger than modern lions and smaller than the earlier cave lion subspecies Panthera leo fossilis or the relatively larger American lion (Panthera leo atrox). The cave lion is known from Paleolithic cave paintings, ivory carvings, and clay figurines. These representations indicate cave lions had rounded, protruding ears, tufted tails, possibly faint tiger-like stripes, and at least some had a "ruff" or primitive mane around their necks, possibly indicating males. Other archaeological artifacts indicate they were featured in Paleolithic religious rituals.
These active carnivores probably preyed upon the large herbivorous animals of their time, including horses, deer, reindeer, bison and even injured old or young mammoths. Some paintings of them in caves show several hunting together, which suggests the hunting strategy of contemporary lionesses. Isotopic analyses of bone collagen samples extracted from fossils suggest reindeer and cave bear cubs were prominent in the diets of northwestern European cave lions. There was a suggestion of a shift in dietary preferences subsequent to the disappearance of the cave hyena. The last cave lions seem to have focused on reindeer, up to the brink of local extinction or extirpation of both species.
Small prey was usually brought down with a blow of the front paw and then held down with both front feet. The animal was finally killed by a powerful bite from the sharp teeth, at the back of the neck, in the region of the throat and even in the chest. A cave lion usually could not run as fast as its prey, but could pounce on it from behind or run up next to it and bring it down with the paws. In this manner a running animal's balance could very easily be disturbed.
It was most likely the most common large predator (after the cave hyena) in plains ecosystems. Its extinction may have been related to the Quaternary extinction event, which wiped out most of the megafauna prey in those regions. Cave paintings and remains found in the refuse piles of ancient camp sites indicate they were hunted by early humans, which also may have contributed to their demise.
Cave lions were widespread in parts of Europe, Asia and northwestern North America, from Great Britain, Germany and Spain  all the way across the Bering Strait to the Yukon Territory, and from Siberia to Turkistan.
The cave lion received its common name because large quantities of its remains are found in caves, but it is doubtful whether they lived in them (one theory being that lion bones may have been collected there ex post facto by packrats that are obsessive hoarders of bright objects, even useless ones). It had a wide habitat tolerance, but probably preferred conifer forests and grasslands, where medium-sized to large herbivores occurred. Fossil footprints of lions, which were found together with those of reindeer, demonstrate the lions once occurred even in subpolar climates. The presence of fully articulated adult cave lion skeletons, deep in cave bear dens, indicates these lions may have occasionally entered dens to prey on hibernating cave bears, with some dying in the attempt.
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- (Arduini & Teruzzi, 1993)
- 'Supersize' lions roamed Britain BBC News 1 April 2009
- Hublin, J.-J. 1984. The Hamlyn encyclopedia of prehistoric animals. Hamlyn, London. 318pp.
- 15TH INTERNATIONAL CAVE BEAR SYMPOSIUM SPIŠSKÁ NOVÁ VES, SLOVAKIA, 17th – 20th of September 2009
|Wikispecies has information related to: Panthera leo spelaea|
|Wikimedia Commons has media related to Panthera leo spelaea.|
- Prehistoric cats and prehistoric cat-like creatures, from the Messybeast Cat Resource Archive.
- American lion, by C. R. Harrington, from Yukon Beringia Interpretative Center.
- The mammoth and the flood, volume 5, chapter 1, by Hans Krause.
- Hoyle and cavetigers, from the Dinosaur Mailing List. (Groiss)
- The Interaction of the European Cave Lion and Primitive Humans