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+----- Thread: Jaguar Predation (/topic-jaguar-predation)
RE: Jaguar Predation - Lycaon - 08-10-2019
https://www.inaturalist.org/people/apffmesetadecacaxtla
Mexican jaguar with armadillo
*This image is copyright of its original author
RE: Jaguar Predation - Spalea - 08-11-2019
It's precised that this caiman died of natural cause, thus not killed by the jaguar that pounces on the opportunity to have a very big meal.
RE: Jaguar Predation - Pckts - 08-27-2019
jaguaridproject
This video of Capi illustrates the vigorous instinct to kill. Jaguars are powerful opportunistic predators. •
RE: Jaguar Predation - Pckts - 08-27-2019
Pantanal Jaguar Safaris
We were fortunate to watch at close range a male Jaguar taking down a capybara on the Caxiri River.
Those who know him, call him "the Pirate", from a blind eye he earned defending his hunting ground. To our surprise, after following him for over an hour, he jumped straight onto the back of an adult capybara, putting it to death with his trade mark bite on the back of its skull.
*This image is copyright of its original author
RE: Jaguar Predation - Spalea - 09-02-2019
The jaguar's jump over the water ! Pôrto Jofre, Mato Grosso, Brazil
RE: Jaguar Predation - Pckts - 09-03-2019
Pantanal Jaguar Camp
This jaguar has been limping for over two months, but it can still hunt his lunch...a capybara. Photo Credit: @ramonmollerjensen - Tangará Tour Fotográfico.
*This image is copyright of its original author
*This image is copyright of its original author
RE: Jaguar Predation - Pckts - 09-07-2019
Large Caiman taken by a Female Jag, you can see the moment the skull was punctured *around :50 seconds left* and the Caiman was dead.
Jaguar pullilng a Caiman up a step bank, no problem.
RE: Jaguar Predation - Spalea - 09-10-2019
The one-eyed jaguar and its prey. Forever untameable !
RE: Jaguar Predation - Spalea - 09-10-2019
Huge male jaguar pulling a 8 feet long caiman out of the water... Really impressive !
RE: Jaguar Predation - Spalea - 09-10-2019
The previous video was from @bertiegregory... This one, showing the race of the jaguar, too...
RE: Jaguar Predation - Pckts - 10-05-2019
RE: Jaguar Predation - lionjaguar - 10-10-2019
Coastal Jaguars
This article is brought to you by the International League of Conservation Photographers (iLCP). Read our other articles on the National Geographic Voices blog featuring the work of our iLCP Fellow Photographers all around the world. Photographs by iLCP Fellow Sebastian Kennerknecht/Panthera Text by Betsy Painter Along the borders of Tortuguero beach in Costa Rica, sturdy tree trunks guard the...
*This image is copyright of its original author
Jaguar (Panthera onca) yearling female cub approaching predated Green Sea Turtle (Chelonia mydas) at night, Coastal Jaguar Conservation Project, Tortuguero National Park, Costa Rica
Along the borders of Tortuguero beach in Costa Rica, sturdy tree trunks guard the entrance to the rainforest like a gate, and palm fronds bend down from the canopy and sweep across the ground, drawing a line in the sand. In the categorized recesses of our minds, as far as biomes are concerned, we tend to keep rainforest and ocean life separate. Jellyfish and chameleons may share eccentric colors, but have no ecological business between them. Three-toed sloths and shrimp may both be underdogs in speed and size respectively, but would never compete in the race for resources. But on the shore of Tortuguero National Park, the nautical-jungle boundary is constantly crossed by an unusual pair: jaguars (Panthera onca) and sea turtles.
On any ordinary evening on Tortuguero beach, through the lens of a carefully placed camera trap, this interesting interaction begins as the phantom predator of the rainforest, one of the toughest to track, steps out through the forest bush and onto the beach. Like shadows on the shore, jaguars stalk across the sand in search of sea turtles. While cultural legends and myths attribute supernatural characteristics to jaguars, building off of their cryptic nature, the jaguars are not there to haunt, but to hunt.
*This image is copyright of its original author
Jaguar (Panthera onca) tracks on beach, Coastal Jaguar Conservation Project, Tortuguero National Park, Costa Rica
Jaguars are “opportunistic predators” with diets depending on the availability of prey. On Tortuguero beach, sea turtles arrive each nesting season in impressive numbers to lay their eggs. It is the largest rookery in the western hemisphere for the endangered green turtle (Chelonia mydas), and also serves as a nesting ground for three other sea turtle species: leatherback (Dermochelys coriacea), hawksbill (Eretmochelys imbricate) and loggerhead (Caretta caretta). As the sea turtles roll in with the waves, the natural instincts of the jaguars draw them out from their hidden lives in the rainforest and towards the tide.
Paw prints in the sand
In the rainforest, jaguars’ tawny golden coats marked with smudged dark spots camouflage with the earthy scenery of tangled vines, rugged bark and dense vegetation. However, on their nightly prowls on the beach, the only veil is the dim light of the evening sky, and their large paw prints left behind in the sand serve as clues to their activities. Following the path of the prints leads to abandoned sea turtle carcasses that vultures and other scavengers now claim for their clean-up role in nature. Provision for scavenger species is one way predator-prey relationships prove vital to ecosystems.
These tracks also prove helpful for scientists Ian Thomson and Stephanny Arroyo-Arce on their research investigating this predator-prey relationship through their ongoing Coastal Jaguar Conservation Project with the collaboration of Global Vision International (GVI). Little was known about the impact jaguars have on sea turtle populations on the Caribbean coast of Costa Rica before the work of Thomson and Arroyo-Arce. Through weekly surveys along a 14 1/2-mile stretch of the coast from 2005 to the present, researchers have collected data by counting identifiable jaguar tracks and marine turtle carcasses containing evidence of jaguar predation. Their research found that within 18 miles of coastline, jaguar predation accounts for less than three percent of the nesting green turtle population on the beach. Based on the researchers’ current findings these jaguar predation rates are not considered a significant threat to the green sea turtle populations. For the other marine turtle species, it is too difficult to measure the effects of jaguar predation based on available evidence because cases only occur sporadically. However, for all marine turtles, the impact of jaguar predation on the populations is minimal compared to the losses caused by human activities such as illegal poaching, commercial exploitation and incidental captures in fishing gear.
*This image is copyright of its original author
Jaguar (Panthera onca) male in rainforest at night, Coastal Jaguar Conservation Project, Tortuguero National Park, Costa Rica
Human pressures push jaguars to the coast
Anthropogenic pressures may also be influencing the jaguars’ shift towards coastal habitats. One human factor comes into play in the form of habitat degradation in the buffer zones around the park. In the early 1990’s, an expansion of large-scale banana and pineapple plantations outside of the park coincided with an increase in jaguar predation of marine turtles.
*This image is copyright of its original author
Jaguar (Panthera onca) female approaching predated Green Sea Turtle (Chelonia mydas) at night, Coastal Jaguar Conservation Project, Tortuguero National Park, Costa Rica
Another factor may be illegal hunting of other prey species inside the park. Jaguars have over 85 prey species throughout their ranges, and within Tortuguero National Park specifically, common prey includes the white-lipped peccary (Tayassu pecari), the green iguana (Iguana iguana), and both species of sloth found in the area, the three-toed (Bradypus variegatus) and the two-toed (Choloepus hoffmanni). Illegal hunting of these species can decrease the populations and potentially encourage jaguars towards more readily available prey like the sea turtles.
A not so antisocial big cat
This abundance of marine prey has also led researchers to believe that they are documenting a reduction in competition between the jaguars. Thomson and Arroyo-Arce have recorded over 36 jaguars on a meager 18-mile strip of coastline since 2010. Anywhere else jaguars are described as being typically solitary with vast territories and sparse overlap. With jaguars in closer proximity to each other on Tortuguero beach, the scientists are observing rare and unusual social behaviors in the big cats, such as facultative scavenging and smaller territories with increased interactions between individuals. Some of these activities have never before been documented in the wild.
*This image is copyright of its original author
Jaguar (Panthera onca) female approaching predated Green Sea Turtle (Chelonia mydas) at night, Coastal Jaguar Conservation Project, Tortuguero National Park, Costa Rica
Another factor may be illegal hunting of other prey species inside the park. Jaguars have over 85 prey species throughout their ranges, and within Tortuguero National Park specifically, common prey includes the white-lipped peccary (Tayassu pecari), the green iguana (Iguana iguana), and both species of sloth found in the area, the three-toed (Bradypus variegatus) and the two-toed (Choloepus hoffmanni). Illegal hunting of these species can decrease the populations and potentially encourage jaguars towards more readily available prey like the sea turtles.
RE: Jaguar Predation - Pckts - 10-13-2019
Young Jag learning how to catch Capyvara
RE: Jaguar Predation - lionjaguar - 10-15-2019
(10-13-2019, 04:13 PM)Pckts Wrote: Young Jag learning how to catch Capyvara
I hope there are many video and photos like that in other regions of Latin Americas.
RE: Jaguar Predation - Pckts - 10-15-2019
pantanaljaguarsafaris
My guests @love_fisi & @chui_traveler and I, were following this male jaguar, known as Juru, as it was patrolling the riverbanks in search for food. As Juru hit the head of the beach, he detected one of its prey and immediatelly pounced on the tall grass and dragged out an Yellow anaconda. The male jaguar subdued the giant reptile, by applying its trade mark bite on the skull. The whole action lasted for about 10 seconds.It was phenomenal to watch and document such predatory behavior.