There is a world somewhere between reality and fiction. Although ignored by many, it is very real and so are those living in it. This forum is about the natural world. Here, wild animals will be heard and respected. The forum offers a glimpse into an unknown world as well as a room with a view on the present and the future. Anyone able to speak on behalf of those living in the emerald forest and the deep blue sea is invited to join.
--- Peter Broekhuijsen ---

  Cannibalism In Rhesus Macaque
Posted by: sanjay - 06-03-2014, 12:24 AM - Forum: Carnivorous and Omnivores Animals, Excluding Felids - Replies (2)
Rhesus Macaques are cannibalism ? This question Arises When An Indian Photographer Saw This

*This image is copyright of its original author


Image Courtesy: Indianaturewatch, Photographer: Lele Gaurav

According to him:
Quote:Throughout a safari at Pench a week ago, I saw something i thought uncommon. In a group war between adversary rhesus macaque aggregates the triumphant gathering appeared to have held a harmed macaque hostage. On first look without binoculars we thought the macaques are ripping apart the dead macaque. Do they rip apart ? At the same time on more intensive look we perceived that the macaque wasn't dead. It appeared to be superbly depleted or bluffing dead. At whatever point it used to get up and make a run the alpha male and his cronies would seize him and begin gnawing. This happened for around 10-15 mins for around 200 meters. A few macaques appeared to be outright curious in the harmed fellow though others appeared to be exceptionally rough. Indeed a few langurs around were intrigued and keeping a watch on macaques. What was behind this apparently merciless conduct ? The macaques weren't expecting to murder or consume the harmed individual simply appeared to continue harming him. He must have succumbed to his damages in a matter of seconds
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  Woolly mammoth
Posted by: Siegfried - 06-02-2014, 03:29 PM - Forum: Prehistoric animals - Replies (3)
This is interesting...

http://www.dvice.com/2014-3-14/woolly-ma...scientists

But is it morally right? or even a good idea?
 

 
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  Freak Specimens
Posted by: Apollo - 05-31-2014, 04:23 PM - Forum: Wildlife Pictures and Videos Gallery - Replies (776)
Do post pics of freakishly large animal specimens.
 
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  Question regarding image copyright text below each image
Posted by: sanjay - 05-29-2014, 08:21 PM - Forum: Suggestion, Feedback and Complaint - Replies (9)
What about the small copyright text below each image (*This image is copyright of its original author)? Should It be removed ? Or it should be there?
Personally I am not liking it anymore. But it is also important you to show image copyright. I seriously need some suggestion from members? I am thinking to put this at bottom of every thread only once ? What is your suggestion ?
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  Freak Felids - A Discussion of History's Largest Felines
Posted by: sanjay - 05-25-2014, 01:19 AM - Forum: Pleistocene Big Cats - Replies (1126)
Here is another wonderful article.

Date: July 11, 2012 

Source: Bristol University 

Summary: Modern cats diverged in skull shape from their sabre-toothed ancestors early in their evolutionary history and then followed separate evolutionary trajectories, according to new research.

*This image is copyright of its original author

Fossil skull and lower jaws of a sabre-toothed cat, Smilodon fatalis, from the La Brea tar pits of California, USA.
Credit: Image by Simon Powell, School of Earth Sciences


Short Description

The study also found that the separation between modern domestic cats and big cats such as lions and tigers is also deeply rooted.

Dr Manabu Sakamoto and Dr Marcello Ruta in the School of Earth Sciences studied the skull shape of extinct sabre-toothed cats, modern (conical-toothed) cats and prehistoric 'basal' cats (ancestors of modern cats). This is the first time these three different types of cats have been analysed together in a single dataset.

The researchers quantified skull shape by taking various measurements, adjusting these measurements for size differences, then investigating the distribution of cat skulls in shape-space. By estimating ancestral positions through shape-space and time, they investigated patterns of skull shape evolution across the cat family tree.

They found an early and conspicuous divergence between the conical-toothed cats and sabre-toothed cats, with all sabre-toothed cats being more closely related to each other than they were to modern conical-toothed cats.

There was also a marked separation between modern small-medium cats (that is, the domestic cat and its close relatives, the cheetah, puma, ocelot, serval and lynx) and modern big cats (such as the lion, tiger, leopard and jaguar), with a divergence in skull shape early in their evolutionary history. This means that small-medium cats and large cats followed different evolutionary trajectories with respect to skull shape.

Dr Sakamoto said: "Our study is the first to determine the interrelationships between modern conical-toothed cats, sabre-toothed cats, and some basal cats.

"It also highlights how simple measurements can be used not only to investigate shape-space distribution, but also to successfully discriminate and identify different cat species -- this could be useful for museums who may have as yet unidentified cat specimens in their collections.

"Lastly, our results show that differences in cat skull shape have deeply rooted evolutionary histories, first between the sabre-toothed and conical-toothed cats, and then between small-medium and large cats."

Story Source:The above story is based on materials provided by Bristol University. Note: Materials may be edited for content and length.

Journal Reference:
  1. Manabu Sakamoto, Marcello Ruta. Convergence and Divergence in the Evolution of Cat Skulls: Temporal and Spatial Patterns of Morphological Diversity. PLoS ONE, 2012; 7 (7): e39752 DOI: 10.1371/journal.pone.0039752

Original Source:http://www.sciencedaily.com/releases/2012/07/120711141010.htm

 

 
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  Are Tigers 'Brainier' Than Lions?
Posted by: sanjay - 05-25-2014, 01:09 AM - Forum: Questions - Replies (170)
Hello friends,
I found an article on internet from reliable source that shows tigers have bigger brains, relative to their body size, than lions, leopards or jaguars.

Date:September 13, 2009 
SourceUselessniversity of Oxford 
Summary:A wide-ranging study of big cat skulls has shown that tigers have bigger brains, relative to their body size, than lions, leopards or jaguars.


*This image is copyright of its original author

Comparison between greatest length of skull and cranial volume amongst leopard (left on the lower line), jaguar (centre on the lower line), lion (right on the lower line), and tiger (on the upper line).
Credit: Image courtesy of University of Oxford


Short Details
The team investigated the relationship between the skull size – the longest length between the front and back parts of the skull – of a large sample of tigers, lions, leopards and jaguars and the volume inside the cats’ respective craniums. The researchers report their findings in this month’s Biological Journal of the Linnean Society.

'What we had not expected is that the tiger has clearly much bigger relative brain size than do the other three species, which all have similar relative brain sizes,’ said Dr Nobby Yamaguchi of Oxford University’s Wildlife Conservation Research Unit (WildCRU), an author of the report with WildCRU Director Professor David Macdonald.

‘When we compare the two biggest species, on average the lion has a bigger skull than the tiger based on the greatest length of the skull. However, the tiger has bigger cranial volume than the lion. It is truly amazing that tiny female Balinese tiger skulls have cranial volumes as large as those of huge male southern African lion skulls.’

It has sometimes been assumed that social species, such as lions, should have larger brains than solitary species, such as tigers, because of the need to handle a more complex social life within groups or prides. However, despite a few studies suggesting a relationship between big brains and sociality in mammals, evidence for the link is far from clear.

Dr Nobby Yamaguchi said: ‘Our results strongly suggest that there is no detectable positive relationship between relative brain size and sociality amongst these four big cat species, which shared a common ancestor around 3.7 million years ago.’The team also looked at the popular idea that tigers are ‘bigger’ than lions (which could mean that the tiger’s relatively bigger brain size simply reflects its bigger body). However, careful re-evaluation of original field data and relatively well-documented hunting records does not support this idea.

So the team concluded that the tigers have a relatively bigger brain (around 16 per cent larger) than lions, given their very similar average body sizes.

Professor Macdonald said: ‘Two general lessons emerge from our findings: first, how much remains to be discovered about even these most familiar of big cats, and second how important museum collections can be as a source of unexpected insights.’

The next step for the researchers is to try to answer whether such a difference can be explained by intrageneric variation or merely by chance. If not by chance, then it raises the question why the tiger evolved a relatively bigger brain (or why other species evolved smaller brains) after the tiger’s ancestor split from the common ancestor to the other three species.

The answers to both these questions may lie in analysing comparative brain anatomy amongst these species (for instance, which parts of the tiger’s brain are bigger than the lion’s) and similar data from extinct relatives of these big cats as well as smaller living relatives such as the snow leopard and clouded leopard.

Story Source:The above story is based on materials provided by University of Oxford. Note: Materials may be edited for content and length.

Journal Reference:
  1. Yamaguchi et al. 'Brain size of the lion (Panthera leo) and the tiger (P. tigris): implications for intrageneric phylogeny, intraspecific differences and the effects of captivity. Biological Journal of the Linnean Society, 2009; 98 (1): 85 DOI: 10.1111/j.1095-8312.2009.01249.x

Original Source : http://www.sciencedaily.com/releases/200...145030.htm

 
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  Tasmanian Tiger (Thylacinus cynocephalus)
Posted by: Siegfried - 05-21-2014, 03:35 PM - Forum: Extinct Animals - Replies (11)
This first video shows much of the available footage of thylacines.  Sad...




This one is about efforts to clone a thylacine.



 
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  A Giant Among Dinosaurs, Discovered In Argentina
Posted by: Pckts - 05-20-2014, 03:58 AM - Forum: Dinosaurs - No Replies

*This image is copyright of its original author
Paleontologists in Argentina say they have unearthed the fossils of the biggest dinosaur .The bones are believed to be from a new species of the aptly named titanosaur, a massive herbivore from the late Cretaceous period, officials from the Museo Paleontologico Egidio Feruglio told BBC News.The titanosaur was a sauropod, like the apatosaurus or brachiosaurus, that roamed the forests of Patagonia 95 million years ago."Given the size of these bones, which surpass any of the previously known giant animals, the new dinosaur is the largest animal known that walked on Earth," the researchers told BBC News.Based on the size of the largest thigh bones, the scientists calculated that the titanosaur weighed around 170,000 pounds and measured 130 feet long and 65 feet tall."It's like two trucks with a trailer each, one in front of the other, and the weight of ," said Jose Luis Carballido, a dinosaur specialist at the museum, CNN reported.The Two-Way wondered what else on Earth compares to that gargantuan size. Imagine a : Not even three-quarters of the beast's length would fit, with the remaining 40 feet hanging out in the seats behind the basket.According to the museum's estimates, the creature weighed some 5,000 pounds more than a , and would have stretched a half-foot longer than the airplane.The jumbo titanosaur would have been about at Giza, something like the height of a seven-story building.The blue whale has the new sauropod beat, however. Though the ocean mammal is shorter by about 30 feet, the largest blue whales are estimated to weigh as much as . To be fair, the blue whale never has to support its bulk on land.The site of the discovery in Argentina holds the remains of seven dinosaurs, about 150 bones total. The site was in 2011 in the desert near La Flecha, near Trelew, Patagonia, said The Telegraph.The size of the previous holder of the title of world's largest dinosaur, the Argentinosaurus, was calculated from just a few bones, as opposed to the treasure trove just revealed, the BBC explains."Originally thought to weigh in at 100 tonnes, [Argentinosaurus] was later revised down to about 70 tonnes — just under the 77 tonnes that this new sauropod is thought to have weighed," the BBC reports.The new titanosaur still needs a name, one befitting its monumental dimensions."It will be named describing its magnificence and in honor to both the region and the farm owners who alerted us about the discovery," the researchers told the BBC
http://www.npr.org/blogs/thetwo-way/2014...-argentina
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  Animal News (Except Bigcats)
Posted by: Apollo - 05-18-2014, 03:51 PM - Forum: News, Events & Updates - Replies (284)
Post all Animals (except Bigcats) related News articles and Information.
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  Lion Predation
Posted by: TheLioness - 05-18-2014, 03:10 AM - Forum: Premier League - Replies (696)
Post pictures, videos, accounts and news articles on Lion Predation.

Credit to Apollo for the idea, I hope it is okay that I made a topic on lion predation. http://www.dailystar.co.uk/news/latest-n...on-his-OWN"This astonishing video shows the King of the Jungle giving chase to the juvenile elephant, pouncing onto its back and sinking its teeth into the poor animal's neck.And as he brings it down, the lion is joined by others as they subdue and kill the heavy elephant before feasting on it for dinner.The spirited young elephant at first seems to charge at the lions to scare them off, but then has a quick rethink and makes a hasty retreat."
[img]http://images.dailystar-uk.co.uk/dynamic/1/photos/501000/620x/52de595adfb43_BM_LION_01685706.jpg" class="lozad max-img-size" alt="" title="">
*This image is copyright of its original author



*This image is copyright of its original author



*This image is copyright of its original author
"Unfortunately, his lumbering run was no match for the lion's lethal speed and it was only a matter of time before it became a meal.Shocked tourists reacted with gasps as they saw the dinnertime drama unfold quickly before them.The footage was shot at the Hwange National Park in Zimbabwe, where elephants and lions live alongside zebra, cheetahs and anetelope."


*This image is copyright of its original author

"The two Kwandwe male lion also killed a 4/5 year old elephant calf in the south of the game reserve earlier in the month. As far as I’m aware of this is the first elephant calf this age being killed by lions. What a sighting it was."


*This image is copyright of its original author

"A lone male lion jumped on the back of a mature male giraffe, devoured the tendons and was dragged on for over 500 meters before finally succeeding in bringing it down. This was an act that surprised us all and we were left speechless at how a lone lion could perform this amazing feat!"


*This image is copyright of its original author


Video in link
http://www.dailymail.co.uk/news/article-...d-air.html

[img]images/smilies/heart.gif[/img]


 
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