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  Sperm whales and orcas - "clash of titans"
Posted by: Shadow - Yesterday, 09:46 PM - Forum: Aquatic Animals and Amphibians - Replies (10)
Even though sharks seem to get more attention, they have nothing to do when biggest predators of seas have disputes. Since many people enjoy to look closer conflicts between animals, in this thread could be gathered information about situations when biggest of the big have conflicts. Not even orcas can do every time what they want.
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  The simbakubwa, a giant Miocene lion.
Posted by: Spalea - 04-19-2019, 02:19 AM - Forum: Prehistoric animals - Replies (26)
Big discovery in Kenya: remains of a very big and old lion "The simbakubwa" dated of 23 millions years and weighing 1500 kilos :

I reproduce here the text, from "Le Monde" newspaper, in french:

Des dents et des fragments d’os vieux de 23 millions d’années ont permis d’identifier le Simbakubwa, sept fois plus gros qu’un lion adulte.

Des dents et des fragments d’os vieux de vingt-trois millions d’années découverts au Kenya ont permis d’identifier l’un des plus grands mammifères carnivores ayant foulé la Terre. Sept fois plus gros qu’un lion, pesant environ 1 500 kg et capable de s’attaquer à des animaux de la taille des éléphants et des hippopotames, l’inquiétant animal a été baptisé Simbakubwa kutokaafrika (pour « grand lion d’Afrique »). « Au vu de ses dents massives, Simbakubwa était un hypercarnivore », explique Matthew Borths de l’université Duke, auteur principal de l’étude publiée jeudi 18 avril dans le Journal of Vertebrate Paleontology.

Les restes de l’animal – un morceau de mâchoire inférieure comportant une canine, une prémolaire et une molaire ainsi que d’autres dents et quelques os – avaient été découverts il y a des dizaines années, mais avaient été attribués à une espèce plus petite, Hyainailouros napakensis. Ils attendaient depuis au musée national de Nairobi.

Selon les chercheurs, l’animal est mort relativement jeune. Pourtant, sa mâchoire est beaucoup plus grosse que celle d’un lion de taille adulte. « Avec ses canines, il pouvait cisailler la chair, tandis que ses molaires lui permettaient de casser les os », précise un communiqué. Simbakubwa vivait au début du Miocène. Mais les conditions permettant l’existence de tels gabarits semblent avoir persisté pendant des millions d’années, précisent les chercheurs.

And I translate my best:

Teeth and remains of bones from 23 millions years allowed to identify the Simbakubwa, 7 times bigger than an adult lion.

Some teeth and fragments of bones from 23 millions years, discovered in Kenya, allowed to identify one of the biggest carnivore mammals having walked on the Earth. Seven times bigger than a lion, weighing around 1500 kilos and able to attack some hippo or elephant-sized-animals, the disturbing animal has been called Simbakubwa kutokaafrika ("big African lion"). According to its masive teeth, Simbakubwa was an hypercarnivore, explained Matthews Borths from the Duke university, main author of the study published Tuesday 18th April in the Vertebrate Paleontology newspaper.

The animal's remains - a piece of the lower jaw including a fang, a premolar and a molar as well as other teeth and a few bones discovered a few decades ago, but were attributed to a smaller specy, Hyainailouros napakensis. They were waiting since then at the national museum of Nairobi.

According to the searchers, the animal is dead relatively young. Yet its jaw is much bigger than an adult lion's one. "With its fangs, it could cut through the flesh, whereas its molars allowed it to break the bones", a press release stated. Simbakubwa lived during the beginning of the Miocene. But the conditions allowing such sized animals existence seem to have lasted during millions years, the searchers stated.
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  Florida Panther (Puma concolor coryi)
Posted by: smedz - 04-16-2019, 11:02 PM - Forum: Wild Cats - Replies (1)
While the cougar in general is listed as Least Concern, this subspecies of cougar on the other hand is a different story, as it's estimated that fewer than 100 wild Florida Panthers exist in the wild.    Back in the day, they could be found across Florida, Georgia, Alabama, Mississippi, Arkansas, Louisiana, even parts of Tennessee and South Carolina. The reason for their endangerment is due to the fact that people thought they were a threat to them, livestock, and game animals (because goodness forbid the predators hunt game animals). Now, they face loss of habitat, inbreeding, fights with each other, and vehicle collisions. Post any other data, films, or photos on these rare cats.   check this out
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  Largest cat in history?
Posted by: Arctotherium - 04-16-2019, 04:33 PM - Forum: Pleistocene Big Cats - No Replies
American Lion's size is really 523 kg?
Or smaller than 400 kg?
Other Prehistoric big cats is larger than American Lion?
Who is the largest cat?
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  American Lion:Largest cat in history?
Posted by: Arctotherium - 04-16-2019, 04:31 PM - Forum: Pleistocene Big Cats - No Replies
American Lion's size is really 523 kg?
Or smaller than 400 kg?
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  Post pictures of your favourite animals (air, land, sea).
Posted by: GreenGrolar - 04-14-2019, 04:12 PM - Forum: Wildlife Pictures and Videos Gallery - No Replies

*This image is copyright of its original author

Mountain blue bird (male and female)


*This image is copyright of its original author

Polar bear


*This image is copyright of its original author

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  Study finds dogs can accurately sniff out cancer in blood samples
Posted by: Kingtheropod - 04-14-2019, 07:00 AM - Forum: Research, Discoveries & Articles - Replies (1)
Study finds dogs can accurately sniff out cancer in blood samples

*This image is copyright of its original author

"Scientists believe they have found a new way to detect cancer and it involves man's best friend.
Researchers at BioScentDX conducted a study where dogs were able to pick out blood samples from patients who had been diagnosed with malignant lung cancer.
Researchers trained four beagles to smell the difference between the normal blood samples and those with lung cancer cells.
Three of the dogs were able to accurately detect the lung cancer samples almost 97% of the time.
However, one of the beagles named Snuggles seemed unmotivated to participate in the study.
Researchers hope this will eventually lead to new non-invasive ways to screen for cancer and other deadly disease.
The team has plans too continue their research in November, but this time they will use breast caner samples."
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  Dragonflies interaction with other invertebrates
Posted by: GreenGrolar - 04-12-2019, 12:20 PM - Forum: Invertebrate and Insects - Replies (1)
In this thread anyone is welcomed to post accounts or even videos of dragonfly interactions with other invertebrates (e.g. dragonflies hunting or becoming prey themselves).

It is rare to actually spot a dragonfly (golden ringed dragonfly in the videos) kill a hornet as the letter is a dangerous opponent capable of killing the former as below:

An european hornet killing a southern hawker.
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  Evolution of Whales
Posted by: smedz - 04-12-2019, 05:53 AM - Forum: Extinct Animals - Replies (2)


Post any data on the evolution of whales, and we shall answer this one big question scientists still debate about. 

Why did their ancestors go into the water in the first place?
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  Mustang: The Wild Horse of the West
Posted by: smedz - 04-11-2019, 03:56 AM - Forum: Herbivores Animals - Replies (3)
Here in North America, we have tons of species, including introduced animals like Wild boars, which have some pretty bad effects on the ecosystem. However, not all introduced species have a bad impact, in fact, mustangs, the wild horses of the west, have a great impact on the ecosystem. 

In winter, they will use their hooves to break through the deep snow to get to the grass, and they also break through frozen bodies of water with their hooves, and this, allows other species to survive the harsh winter months. One example is during the huge blizzard of 1886, when tons of cattle died, but some cattle lived, and those that did survive followed herds of wild horses. Another benefit of wild horses is that they can act as protectors of other prey species. Allow me to explain, When the wild horses of Anza Borrega National Park, California were removed in an effort to try to increase the bighorn sheep population, the number of bighorn sheep deaths ended up increasing because the cougars of the park, which hunted wild horses, simply turned more of their attention towards the sheep because the wild horses were removed. When it comes to grazing, wild horses are better for the plains than the cattle are because of the ways the 2 animals graze. Cows graze by wrapping their tongues around the grass since they don't have upper front teeth, and if the ground is wet, then the cow will grab a plant by the roots, and the grass will never have a second chance of growing back, horses are different, as they have upper front teeth, and flexible lips to grab the grass, then clip parts of the grass, and the grass can grow back. 

Source of information. 

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