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The Sumatran tiger (Panthera tigris sumatrae)
The Sumatran tiger (Panthera tigris sumatrae)
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The Sumatran tiger (Panthera tigris sumatrae)
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London Zoo Sumatran tiger Melati killed in fight
 *This image is copyright of its original author Asim (pictured), whose name means "protector" in Arabic, had been matched with Melati through the European Endangered Species Programme Male tiger Asim was brought to the zoo from a Danish safari park 10 days ago in the hope he would be the "perfect mate" for long-term resident Melati. After spending time apart in the tiger enclosure to get used to the new arrangement, the two were then introduced to each other earlier. But tensions "quickly escalated", things became "more aggressive" and Melati died in a fight, the zoo said. A statement issued by the zoo said Asim was immediately moved to a separate paddock but despite the best efforts of the vets, 10-year-old Melati died. It said: "Our focus right now is on caring for Asim, as we get through this difficult event."Staff are "heartbroken by this turn of events", the zoo said. Seven-year-old Asim was moved to London Zoo as part of the European-wide conservation breeding programme. Heralding his arrival, the zoo described him as "a handsome, confident cat who is known for being very affectionate with the ladies in his life", adding that "we're hoping he'll be the perfect mate for our beautiful Melati". The zoo's previous male, Jae Jae - which had fathered seven cubs previously with Melati - was moved to French zoo Le Parc des Félins, on 30 January. In 2013, Melati gave birth to two cubs but one fell into a pool and drowned. Melati then gave birth to three cubs in February 2014 and two more in June 2016. https://www.bbc.com/news/uk-england-london-47170454 Asim when he arrives at London Zoo Here is Melati when she was being introduced to her previous mate Jae Jae Melati and Jae Jae again 
Perhaps I'm wrong, but I truly believe it's a stalking Sumatra tiger (numerous stripe, rather dark orange fur...).
Assessing tiger–prey interactions in Sumatran rainforests
Abstract Little is known about interactions between the critically endangered Sumatran tiger Panthera tigris sumatrae and its prey because of the difficulties associated with detecting these species. In this study, we quantify temporal overlap between the Sumatran tiger and five of its presumed prey species from four study areas comprising disturbed lowland to primary submontane forest. Data from 126 camera traps over 8984 camera days were used to estimate species activity patterns and, in turn, their overlap through the coefficient Δ (ranging from 0 to 1, i.e. no overlap to complete overlap). A newly developed statistical technique was applied to determine confidence intervals associated with respective overlap, which is important, as such measures of precision are usually not estimated in these types of study. Strong temporal overlap was found between tiger and muntjac Muntiacus muntjac (Δ=0.80, 95%CI=0.71–0.84) and tiger and sambar Cervus unicolor (Δ=0.81, 0.55–0.85), with the latter illustrating the importance of measuring precision. According to the foraging theory, Sumatran tigers should focus on expending lower levels of energy searching for and then capturing larger bodied prey that present the least risk. Hence, surprisingly, there was little overlap between the crepuscular tiger and the largest‐bodied prey species available, the nocturnal tapir Tapirus indicus (0.52, 0.44–0.60), suggesting that it is not a principal prey species. This study provides the first insights into Sumatran tiger–prey temporal interactions. The ability to estimate overlap statistics with measures of precision has obvious and wide benefits for other predator–prey and interspecific competition studies. https://zslpublications.onlinelibrary.wiley.com/doi/full/10.1111/j.1469-7998.2011.00801.x 
Critically endangered Sumatran tiger found dead with neck caught in wire trap
Dedek Hendry The Jakarta Post Bengkulu Jakarta / Fri, February 21, 2020 / 05:58 pm The carcass of a female Sumatran tiger was found within a forest area in Seluma regency, Bengkulu.(Courtesy of Seluma Police/File) A female Sumatran tiger has been found dead in a wire trap in a forest within Seluma regency, Bengkulu, in yet another incident that has drawn attention to the already critically endangered species. Ridwan, a villager from nearby Selingsingan village, found the tiger’s carcass when he was looking for rattan sprouts in Bukit Badas forest on Wednesday morning. He stopped his activities after seeing the carcass – located roughly 6 kilometers from the village – and immediately returned home to report his finding to the village chief. “We already checked the location and found a dead female tiger with a piece of wire wrapped around her neck,” Seluma Police special crimes unit head Second Insp. Catur Teguh Susanto said on Thursday. Based on the police’s examination, none of the tiger’s body parts were missing. The carcass’ head, however, was rotting away by the time the police arrived. “It was full of maggots. We assume [the tiger] had been dead for over six days,” Catur said, adding that a team from the Bengkulu Natural Resources Conservation Agency (BKSDA Bengkulu) had taken the carcass for further investigation. Authorities also found a wire trap located approximately 10 meters from the location of the dead tiger and a rotten pig carcass near the trap, which was presumably used as bait. Seluma Police chief Sr. Comr. I Nyoman Mertha Danta said they had launched an investigation into the incident, which he said was not the first of its kind in the area. “It’s possible that the perpetrator is not a local resident of Seluma regency,” he said, “Last year, we also caught a hunter [in the area] but they were not from Seluma.” BKSDA Bengkulu acting manager Mariska Tarantona said the dead tiger was 2 years old and had yet to give birth. “We already brought her body to the office. We plan to bury her after extracting a DNA sample and documenting her stripes, since her body is rotting,” Mariska said. The agency analyzed the tiger’s stripes to see if the tiger was the same as a Sumatran tiger that the BKSDA had previously monitored through a camera trap, she said. BKSDA Bengkulu also planned to launch a sweeping operation in Bukit Badas to check whether other traps had been installed by hunters in the area. The Sumatran tiger, the only surviving species of the Sunda Islands tigers that once included the now-extinct Bali tiger and Javan tiger, has been listed as critically endangered on the International Union for Conservation of Nature (IUCN) Red List since 2008. An official estimate from the Environment and Forestry Ministry stated that, as of December 2018, the Sumatran tiger population stood at no more than 600 because of a loss of habitat and poaching. (dpk) 
By: Neil Fraklin
''A wild Sumatran tiger photographed by remote camera in lowland rainforests of Lampung province, Indonesia. Monitoring and protection of wild tigers is carried out by the Sumatran Tiger Conservation Program.'' Wild male. https://www.flickr.com/photos/wild_tiger/57276481  *This image is copyright of its original author
 
That first Sumatran is a unit, probably the most impressive one I have seen from the wild.
 (06-08-2020, 08:48 PM)Richardrli Wrote: What could be the reason for the Sumatran tiger’s aversion to the tapir? Per this study, the prey of the Sumatran tiger are crepuscular (just like the tiger). Tapirs are nocturnal. The authors speculate that "tapir interaction may be the effect of predation risk on the prey. The ‘ecology of fear’ concept states that prey modify their behaviour by striking a balance for their need to forage against their need to avoid predators (Brown, Laundre & Gurung, 1999). Consequently, this trade-off may result in the avoidance of food-rich habitat patches, either spatially or temporally, which remain unoccupied by prey species if these patches also have significantly higher predation risks... As no studies exist of Malayan tapir temporal patterns in areas without tiger, we speculate that the tapir’s strong nocturnal activity patterns is advantageous for avoiding its only predator in KSNP the tiger." Like other tigers, perhaps Sumatran tigers prefer equal or smaller to them as well.  (06-12-2020, 10:34 PM)tigerluver Wrote:(06-08-2020, 08:48 PM)Richardrli Wrote: What could be the reason for the Sumatran tiger’s aversion to the tapir? Tapir aren't a herd animal which means that not only are their numbers less but their much more observant. Herd animals are a much more advantageous prey choice for a couple of reasons. One reason is because they make a lot of noise so sneaking up on them is easier. Second is because it's much easier to flush out the weak or young. |
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