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Jaguars of Brazil - Dynamics,Lifestyle,Datas,Studies,Reports

Brazil Dark Jaguar Offline
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Atlantic Forest males and their habits told to me by Onças do Iguaçu Project.



Croissant male
- He keeps coming back and fourth between Brazil and Argentina sides.

VIDEO




Tarobá male - Already established his territory on the brazilian side.

VIDEO
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Brazil Dark Jaguar Offline
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Tusk male mating.

VIDEO
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Brazil Dark Jaguar Offline
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Onçafari

Year: 2014

Tracking.

After months of training in 2013, two professionals of the Onçafari Project put into practice the tracking techniques, taught by two trackersa Africans from the renowned South African Tracker Academy. The foreign professionals pointed out some difficulties that the Pantanal landscape offers, such as: the flood season, which makes it impossible to access different regions due to the high water level; some plants in the region, such as the bromeliad "caraguatá", which has hard and sharp thorns; the movement of large groups of cattle, which pass over fresh jaguar tracks and erase tracks; the high rate of ticks and mycuins especially in the dry season, among other difficulties absent in Africa. Anyway, the professionals of the Onçafari were well trained and used the techniques in a comprehensive way throughout the year, obtaining two sightings of jaguars, on foot, used this important tool.


Nego and Diogo looking for tracks.


*This image is copyright of its original author




Fresh trails of a female Jaguar.


*This image is copyright of its original author


The practice was also widely used to find photographic traps loaded by certain curious jaguars, which removed the equipment from the place of installation, carrying the equipment with mouths to the inside of the woods. Events like this happened several times during this year, and the main jaguars to perform such feat were Nusa, Troncha and Teorema. Without the practice of tracking these equipments would never be found and the data contained inside would be lost.
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Brazil Dark Jaguar Offline
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( This post was last modified: 09-27-2020, 03:31 PM by Dark Jaguar )

Onçafari,

Month: November

Year: 2017

Pantanal


PREDATIONS

During this month, the Project team located 13 dead farm animals (10 cattle and 3 horses). Of these, only two were preyed by jaguars and another three were only consumed opportunistically. As mentioned earlier in the topic Sightings the sisters Isa and Fera shared a carcass of a cattle that died trapped in the wires of a fence. They took turns consuming the animal, but the difference between the feeding times of the two proves that they were together. In a single video you can see the two in the same image Fera passes in the background while Isa feeds.


Isa feeding on the carcass while her sister Fera passes by in the background. ( red circle )

*This image is copyright of its original author



Natureza female also appeared in a carcass that she possibly slaughtered.  What draws attention in the images is the excess of abdominal tissue she presented suggesting an advanced stage of gestation or one that she gave birth recently.

Natureza female with excess of abdominal tissue.

*This image is copyright of its original author



In another predated bovine, three jaguars appeared: Tchura female and her cubs of approximately 10 months of age named Siri and Emma, The first two were sighted by the team. Since Tchura female is a jaguar with few records and sightings it was not known that she had cubs

The same night, two other jaguars, Maria Bunita female (mother) and Pirilampo (cub) fed on a dead bovine for causes unrelated to predation. Both, which were only known as photographic traps, were also sighted by the team.

As for the predated wild animals, only four were found by the team three of which were caimans and an armadillo ( Dasypus novemcinctus ). It is not known which jaguars were responsible for the slaughters.
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Brazil Dark Jaguar Offline
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onçafari

year: 2017

month: November

Pantanal

THE SISTERS ISA AND FERA.

In the case of the sisters reintroduced into nature, November had many records of Isa and few of Fera. Isa was the most sighted jaguar during the month and the second with the highest number of videos in the photographic shackles and bridges. In one of Isa's sightings, it was noticed that she lost her upper left canine Remembering that in the capture for the placing of the necklace GPS/VHF while el a still was in the enclosure, Isa fractured the lower canine on the same side. Although all of this, she was sighted a few times after this realization and shows to be physically very well, that is, the loss of the canines did not compromise their hunting ability.

Isa yawning and exposing the lack of her left canines.

*This image is copyright of its original author


Meanwhile Fera was sighted only three times in November and not appeared in camera traps of shackles and bridges. In one of the sightings, Fera was trying to hunt capybaras that were feeding on the edge of a weir. She did all the approach without being noticed by the preys, but when she was getting closer she gave up the onslaught and left.

That day also was confirmed the no functioning of the necklace from her (neither GPS nor VHF). Now her monitoring is being done through active search, visiting the places where she used most often. By doing this, it was located again in November, resting on the top of a tree.

Fera on attempt to hunt Capybaras.

*This image is copyright of its original author
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Brazil Dark Jaguar Offline
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( This post was last modified: 09-28-2020, 03:50 PM by Dark Jaguar )

onçafari

year: 2017

month: November

Pantanal


CAMERA TRAPS

A total of 13 photographic traps from Bushnell that were monitoring shackles and bridges were withdrawals from the fieldand the results were properly screened. A total of 43 videos of jaguars were recorded. The individuals caught were: Apache (10), Isa (07), Felino (04), Esperança (04), Apache and Esperança together (04), Felino and individual not identified together (02), Monteiro (02), Tyto (01) and Gaia (01).

photo: Apache and Esperança mating in front of Camera trap.

*This image is copyright of its original author


In 8 videos it was not possible to identify the jaguars. Although the large number of records It is remarkable that the intensity of use of shackles and bridges decreased significantly after the onset of the rains. This is because most of these structures get filled with water, making it difficult to be used by the jaguars.
In the video of Apache and Esperança together the two copulate in front of the installed PA in the shackle.02), Monteiro (02), Tyto (01) and Gaia (01).

Video 107 kg Apache male Mating with 81,8 kg Esperança female.

VIDEO



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Brazil Dark Jaguar Offline
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Barranqueiro Cerrado male scent marking.







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( This post was last modified: 10-06-2020, 03:19 PM by Dark Jaguar )

Tip of a zagaia, one of the oldest weapons ever used in jaguar hunts in Brazil. The hunting with the zagaia consists of cornering the wild animal with trained dogs and waiting for the jaguar's jumping attack and then stabbing it with the zagaia at the tip of a spear.

Photo by Victor Moriyama.

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Brazil Dark Jaguar Offline
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Nocturnal jaguar sightings at Fazenda San Francisco - pantanal






Large male courting female.

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Canada Balam Offline
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"This is the image of the beginning of the most insane behavior I have ever seen in my life. The pair of siblings, to whom it seems a coalition, won the war against another male much larger than themselves. The detail was that the female who fought the male all the time. I simply took the seven most spectacular images of my life. Any day I show them !!!!"


*This image is copyright of its original author


By Ernane Junior

Extremely interesting dynamic, for one here we have a coalition of siblings from the opposite sex, this may be the first time that such coalition is recorded in jaguars. Secondly, it was the female who looked to be twice as small as Edno the one doing most of the fighting, to the point that Edno desisted at the end. Clearly this was not a gruesome fight so who knows what the reason was for Edno to become so aggressive with them. Perhaps if he would've been more committed to exterminating them he would've succeeded. Regardless, this is a merit for this young female who may continue on to become an iconic jaguaress on the area.
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United States Pckts Offline
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( This post was last modified: 10-31-2020, 07:26 PM by Pckts )

(10-31-2020, 06:26 PM)Balam Wrote: "This is the image of the beginning of the most insane behavior I have ever seen in my life. The pair of siblings, to whom it seems a coalition, won the war against another male much larger than themselves. The detail was that the female who fought the male all the time. I simply took the seven most spectacular images of my life. Any day I show them !!!!"


*This image is copyright of its original author


By Ernane Junior

Extremely interesting dynamic, for one here we have a coalition of siblings from the opposite sex, this may be the first time that such coalition is recorded in jaguars. Secondly, it was the female who looked to be twice as small as Edno the one doing most of the fighting, to the point that Edno desisted at the end. Clearly this was not a gruesome fight so who knows what the reason was for Edno to become so aggressive with them. Perhaps if he would've been more committed to exterminating them he would've succeeded. Regardless, this is a merit for this young female who may continue on to become an iconic jaguaress on the area.

Edno was not intent on harming the female, most likely mating was on his mind while the male brother seemed unsure what to do more than aggressive. Neither siblings was doing anything towards Edno in terms of aggression from what we've seen so my guess is the passiveness of the brother saved him while the female was safe the whole time unless she pushed the fight. 

Also, this is now the 2nd coalition we've seen formed by siblings in the North, this must have to do with the immense competition that resides there. Many males are never seen again once they leave the North and other New males bide their time before showing up there. You'll see brand new males there that no lineage is known, they all seem to know that the best prey base is their but you must be in top shape to carve out a place.
Males like Marley are more rare but i wouldn't be surprised if he ends up being one of the most infamous since he's figured out how to stay there his whole life so far.
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Canada Balam Offline
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@Pckts the JID told me that Juru had last been seen on September in the area, the fires could have driven him away, but with so many large males found within the same distance I doubt that he will be able to return to claim a sizeable territory.

I also agree with you that Edno was trying to be relatively delicate with the female as he probably wanted to mate, my guess is that if there would have been a larger and more threatening male (i.e. Balam), both of them would've had a more tenacious battle. Nonetheless, kudos to the female for standing up and eventually making Edno lose interest in pursuing her.
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Finland Shadow Offline
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( This post was last modified: 10-31-2020, 11:54 PM by Shadow )

(10-31-2020, 08:34 PM)Balam Wrote: @Pckts the JID told me that Juru had last been seen on September in the area, the fires could have driven him away, but with so many large males found within the same distance I doubt that he will be able to return to claim a sizeable territory.

I also agree with you that Edno was trying to be relatively delicate with the female as he probably wanted to mate, my guess is that if there would have been a larger and more threatening male (i.e. Balam), both of them would've had a more tenacious battle. Nonetheless, kudos to the female for standing up and eventually making Edno lose interest in pursuing her.

2-1 situation alone can be confusing and a bit intimidating for solitary cat used to fight only 1-1 what comes to own species. When neither of the siblings didn´t back off and flee, Edno had to be all the time careful with both. Lions are after all only big cats used to fight against multiple opponents and still only in rare cases some lions have made a move against more than one opponent simultaneously, when facing own species. This kind of situation can be speculated in many ways, but this isn´t something what jaguars are used to. It can be, that Edno was quite surprised when both jaguars held their ground when he approached and both aggressive towards him.
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United States Pckts Offline
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(10-31-2020, 08:34 PM)Balam Wrote: @Pckts the JID told me that Juru had last been seen on September in the area, the fires could have driven him away, but with so many large males found within the same distance I doubt that he will be able to return to claim a sizeable territory.

I also agree with you that Edno was trying to be relatively delicate with the female as he probably wanted to mate, my guess is that if there would have been a larger and more threatening male (i.e. Balam), both of them would've had a more tenacious battle. Nonetheless, kudos to the female for standing up and eventually making Edno lose interest in pursuing her.

That's a bummer, I really hope he makes his way back. He's such a personality and was already making quite the name for himself. 
I think we're all waiting for a Edno v Balam v Tusk situation.
Hopefully we get to see it at some point.
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United States Pckts Offline
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(10-31-2020, 11:53 PM)Shadow Wrote:
(10-31-2020, 08:34 PM)Balam Wrote: @Pckts the JID told me that Juru had last been seen on September in the area, the fires could have driven him away, but with so many large males found within the same distance I doubt that he will be able to return to claim a sizeable territory.

I also agree with you that Edno was trying to be relatively delicate with the female as he probably wanted to mate, my guess is that if there would have been a larger and more threatening male (i.e. Balam), both of them would've had a more tenacious battle. Nonetheless, kudos to the female for standing up and eventually making Edno lose interest in pursuing her.

2-1 situation alone can be confusing and a bit intimidating for solitary cat used to fight only 1-1 what comes to own species. When neither of the siblings didn´t back off and flee, Edno had to be all the time careful with both. Lions are after all only big cats used to fight against multiple opponents and still only in rare cases some lions have made a move against more than one opponent simultaneously, when facing own species. This kind of situation can be speculated in many ways, but this isn´t something what jaguars are used to. It can be, that Edno was quite surprised when both jaguars held their ground when he approached and both aggressive towards him.

Edno was the only Cat being the aggressor, both the siblings were submissive the whole time.
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