After a grueling hunt, the wolf pack was seen blowing away the moose just caught by a grizzly bear
He is about to end up run over, his mother saves himAfter a grueling hunt, the wolf pack was seen blowing away the moose just caught by a grizzly bear, in a phenomenon known as kleptoparasitism.
Surveillance cameras in Yellowstone National Park recorded an absurd when rare sight: a grizzly bear joined a pack of wolves in pursuit of some moose and, after the wolves had done the "heavy" work, stole. prey them and ran away. The phenomenon, not rare in nature but certainly in the world of bears, is known as kleptoparasitism: in practice, a form of parasitism in which the parasitic animal steals the entire prey from the animal from which it draws nourishment.
There are several animal species - birds, sepils and even some mammals - that are dedicated to this practice: the hyenas they are certainly the most famous animals: in addition to feeding on the carcasses of dead animals, in fact, hyenas are often found stealing freshly hunted game from lions or other animals of the savannah, exploiting physical strength and stamina in pursuit of other species and taking advantage of it for their lavish banquets.
The bear does not usually fall into the category of kleptoparasitic animals, yet in this video this anomalous behavior clearly emerges: usually bears and wolves compete as equals for the search for food, each hunting separately and consuming the fruit of their own activity. In this case, however, the bear joined the pack of wolves in hunting the moose - only to keep the captured prey all to himself, without sharing it with his batting mates.
The wolves had nothing left but to wait for the bear to have his fill, before being able to approach the carcass and eat what was left: since hunting is a dangerous and risky activity, in which a lot of energy is lost, it seemed more convenient for wolves to eat the leftovers of the bear rather than venture into a ' another joke with not necessarily positive results. As for the bear, on the other hand, with this meal he has stocked up on fats and proteins - the essential nourishment to prepare for the long period of winter hibernation, before which it is necessary to stock up on energy and nutrients.
Minute Out In It – A Grizzly Bear Steals a Wolf Kill
On the morning of October 21, 2021 visitors watching wildlife in Yellowstone’s northern range were amazed when they saw an adult grizzly bear seemingly hunting elk with the Junction Butte wolf pack. Wolves and bears typically compete with one another for prey, so why might this be happening?Typically, wolves will yield to incoming bears. Since hunting is dangerous and often unsuccessful, it’s better for wolves to wait their turn at a carcass that has been usurped by a bear than it is for them to continue hunting (Tallian et al. 2017). From the bear’s perspective, it takes a lot of energy to follow a wolf pack around, but the reward is high if it successfully takes over a carcass. A fresh elk carcass is a wonderful source of fat and protein for a grizzly bear preparing for hibernation. This bear seems to have figured out that following the wolves in the morning will increase its chances of encountering a high-calorie meal. (NPS / Maddy Jackson)
Posted by Yellowstone National Park on Wednesday, December 15, 2021
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Fonte: Yellowstone National Park
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