Possibly the inspiration for mariners' tales of mermaids, dugongs are closely related to elephants. To delete this file, click the file name with your mouse, then right-click and scroll down the menu to the "delete" option.
To remove the photo permanently from the desktop, locate the photo on the hard drive and drag it to the trash. Whatever your interest, you'll be entertained and educated with our collection of best-selling DVDs.
One of the most ostentatiously adorned creatures on Earth, the peacock uses its brilliant plumage to entice females.
Download ringtones of cardinals singing, lions roaring, and blue-footed boobies doing whatever it is they do. Shop for guidebooks, feeders, binoculars, and other great items in the National Geographic Store. Bumblebee queens collect nectar and pollen to make food called beebread, which feed the larvae hatch.
A panther chameleon clings to a branch with his tightly curled tail in hopes that lurking predators will mistake him for part of the tree. Now that it’s September, aka World Alzheimer’s Month—Alzheimer’s disease accounts for up to 80 percent of all dementia cases, in which mental abilities decline and impede daily functioning—we asked some experts: Do wild animals and domestic pets suffer from dementia or dementia-like symptoms? Our domestic dogs and cats, who live in safe environments and get veterinary care, can live very long lives—long enough to develop cognitive dysfunction. In a research paper published earlier this year in Ageing Research Reviews, researchers found that in 334 studies, 175 animal species showed evidence of senescence, or the process of growing old. Study co-author Dan Nussey, of the Institute of Evolutionary Biology at the University of Edinburgh, said via email that some of the strongest evidence of and most in-depth studies on senescence come from wild ungulates (such as deer, bighorn sheep, and mountain goats) and seabirds, like the long-lived albatross.


Nussey said that wild animals can show physical deterioration like arthritis or tooth wear, and some cognitive deterioration may occur in the wild, but anything as severe as dementia or Alzheimer’s would simply not allow them to last. On the other hand, domestic pets tend to live in safe environments and receive regular veterinary care. Jennifer Bolser, chief clinician at the Humane Society of Boulder Valley in Colorado, said veterinarians are seeing more cases of cognitive dysfunction syndrome, commonly called canine cognitive dysfunction (CCD). This is probably because domestic dogs are living longer, thanks to better medical and preventive care starting at a younger age and vets who are more adept at recognizing symptoms.
Other symptoms include aggression, changes in sleep patterns, loss of interest in family members, and inability to control urination or defecation “in more than just an incontinent way—almost like they’re forgetting how to be house trained,” Bolser said.
Other illnesses have to be ruled out, though, before cognitive dysfunction is definitively determined.
Amy Johnson, assistant professor of large animal medicine and neurology at the University of Pennsylvania, says she doesn’t know if horses are susceptible too. Bolser says that although there isn’t a cure, there are ways to manage cognitive dysfunction. Concerns are grooming is diminished, falls and poor coordination, doesn’t remember where I am even though he just saw me. I think I would like to donate his body, bony though it may be, to the LSU Vet school in Baton Rouge, La. Our almost 16 year old cocker mix is definitely showing signs of canine dementia, confusion, walking into corners, wandering around at night, getting lost in the house etc. We’re Moving!As of October 22, 2014, Weird & Wild will be hosted on National Geographic's main news site.
Top News Watch PostsTen Photos of Great White Sharks to Take Your Breath AwayDo Animals Get Dementia?


Little data has been collected on older animals in the wild, but while they may reach old age, if they were to develop dementia-like symptoms, they wouldn’t last very long. But she does get calls from owners of elderly horses who report changes in the animals’ behavior and ask if the horse might have Alzheimer’s. Most horse owners don’t want to go to the expense or run the risk of putting their animal under anesthesia, so such questions usually go unanswered. A prescription diet fortified with antioxidants, fatty acids, and L-carnitine is available, she said. SHE IS ABOUT 15 YRS OLD AND IS STARTING TO BARK AT NOTHING IN THE MIDDLE OF THE NIGHT, SHE IS WIDE AWAKE LAYING ON THE COUCH , SHE IS HARD OF HEARING SO WE KNOW SHE’S NOT HEARING THINGS OUTSIDE,NOR CAN SHE SEE ANYTHING OUTSIDE. It was one of the hardest things to watch, but we kept letting he know we loved her until the end. Known for singing, each humpback male develops his own particular song over the course of his life.
He still jumps onto his favorite sleeping spots, including my lap, he still nuzzles me, and is still playfull with a string toy. I’d like to add that Sam became deaf in the months preceding his illness, and was just starting to avoid the litter box for stool. Over the course of this long journey, he has stopped using it altogether except for some occasional voids.



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Rubric: Electromagnetic Pulse Shield



Comments

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