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|Figure 1 - Smilodon fatalis or Sabre-toothed |
cat warns a dire wolf that the carcass of a
mammoth at the Rancho La Brea tar pits
belongs to him. A dire wolf in the foreground
fatally stuck in the oozing tar. Photo
courtesy of www.50birds.com.
"Her small round ears perked up when she heard a sound in the distance. She waited and then heard the sound again, coming from far down the canyon, in the shadows of the trees. The pupils of her eyes contracted so she could see within the shadows, but before her eyes saw what was making the sound, her keen sense of smell identified it. The smell of fresh blood teased her quivering nostrils. She raised her twitching nose into the air, trying to determine the direction of the smell. Then she heard another sound, the faint snap of a twig. Her ears shot forward and the pupils of her eyes refocused on the area where she had heard the sound. The aroma of fresh blood was now even stronger and her shrunken stomach growled in anticipation. Then, her eyes caught the movement, coming from the trees below..."
The above passage in blue is from my first book in the SHADOWS IN THE TRAIL QUADRILOGY called SHADOWS ON THE TRAIL. The passage in blue describes a predator sizing up its next meal by using its extraordinary senses that millions of years of evolution had fine tuned.
If you remember from my eighth posting of this blog entitled
|Figure 2 - Smilodon fatalis reached a |
shoulder height of 39 inches and a body
length of 69 inches. Photo courtesy of
One of the great predators of North America for over one million years was Smilodon fatalis or the sabre-toothed cat. It lived near the top of the food chain from about 1.6 million years ago to about 10,000 years ago. Based on skeletal analysis, Smilodon fatalis weighed between 350 to 620 lbs and it was about the same size as a modern day African lion, but it was probably built more like a bear. DNA studies have confirmed that Smilodon was not related to any living feline species. It had heavier forequarters and lighter hindquarters than an African Lion and was not as fleet of foot. The most distinguishing characteristic of Smilodon fatalis were its large serrated canine teeth which could reach a length of seven or eight inches. Although the teeth were ominous looking, they were fragile and could not bite through bone. Some analyses have shown that the narrow jaws of Smilodon fatalis only had about one-third to one-half of the biting power of an African lion.
Since Smilodon fatalis has been extinct for a long time, its former habits and life style must be interpreted by analyzing its skeletal remains. Therefore, we return to the gooey graveyard at the Rancho La Brea tar pits in southern California where over two thousand Smilodon fatalis skeletons have been recovered and their well-preserved bones analyzed. Only the dire wolf has a greater concentration of skeletal material at the Rancho La Brea tar pits.
Figure 3 - Size comparison between man and Smilodon fatalis
who weighed as much as three or four men. Photo courtesy of
What about the American mountain lion?
The American mountain lion, also called the cougar, puma, panther, or catamount, is a highly efficient stalk-and-ambush predator. The mountain lion's name is a misnomer since its habitat is quite diverse and not limited to just mountains. They can be found on the desert, as well as the plains. The American mountain lion has the greatest habitat range of any large terrestrial mammal in the western hemisphere, spanning from the Canadian Yukon to the southern Andes of South America. It is the second heaviest cat in the western hemisphere, behind the jaguar.
Figure 4 and 5 (right) - The majestic mountain lion.
Adult lions stand 24 to 35 inches at the shoulders and
from head to tail range from 4.9 to 9 feet. Adult
males weigh between 115 to 220 lbs. Photos
courtesy of National Geographic and www.hdwallpaper.com.
Mountain lions possibly migrated across the Bering Strait from Asia approximately 8.5 to 8 million years ago. The mountain lion is a solitary, nocturnal animal who pursues a wide range of prey from insects up to ungulates weighing over 1000 lbs.The mountain lion's lean and wiry physique gives it great leaping and short-sprint capabilities. The mountain lion can vertically leap 18 feet in one bound and jump horizontally 40 to 45 feet. The mountain lion's top speed is between 40 to 50 miles per hour. Evolution was kind to the mountain lion, creating a near-perfect predator.
|Figure 6. Photo courtesy of www.fineartamerica.com|
Which one of these two predators above did I use in the Shadows on the Trail? Sorry, you will just have to read the book to find that out! Which predator would you have used and why?
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