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If leaving the remaining birds susceptible to that virus is the goal, then it worked. Think about the logic here--"Let's kill ALL our birds before the virus kills SOME of them."...???
Like we said about jhe politically motivated, unscientific CoV response-- Interventional methods to prevent spread merely means the bug will remain active for longer. It will NOT reduce morbidity or mortality over the long run. Epidemics last until a charaacteristic ratio of Susceptible to Recovered (immune) is reached..."Herd Immunity" is the state where so many individuals have immunity that the bug has nowhere to go, so to speak. We don't need to go that far.
As an epidemnic progresses, the selection pressure is for the bug to get less dangerous and the host population to get more resistant. It's not nice to fool MotherMature. She always knows best.
Instead of the usual cacophony of guttural honks that drowns out the waves during breeding season, the eerie silence was only broken by the sound of a few remaining elephant seals shaking their heads, snot running down their protruding, namesake noses.
“You felt like a bomb had exploded,” said Martín Méndez, recalling the scene he witnessed in October during an annual survey of southern elephant seals in that stretch of coastal Patagonia.
“It is catastrophic,” added the marine biologist at the Wildlife Conservation Society, a New York-based nonprofit group. “This is the largest die-off for the species, period.”
Altogether, an estimated 17,000 elephant seal pups seals died there last year from avian influenza, victims of an unprecedented panzootic — a pandemic among animals — that has struck around 320 types of birds and mammals.
I suspect there have always been animal epidemics; its when we bring these animals into close human contact, either through lab experiments or wet markets that we have a problem.
I suspect there have always been animal epidemics; its when we bring these animals into close human contact, either through lab experiments or wet markets that we have a problem.
possibly... but this one affects so many varied species and travels thru the air from continent to continent in migrating birds, which certainly increases the damage.
It just decimated a group of sea lions in CA I think.
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It just decimated a group of sea lions in CA I think.
Quote:
Originally Posted by Mikala43
That one said Patagonia. This was recent, in CA.
Maybe they haven't been decimated but have just left California and gone travelling north.
A group of 20 or more California sea lions swam north from California and showed up in Coal Harbour, Vancouver, B.C. in early December. They are still there and attracting a lot of attention from residents and tourists alike.
Meanwhile at the same time since early December, every morning hundreds of California sea lions, Steller sea lions and harbour seals haul out at Trial Islands off Oak Bay in Victoria, on Vancouver Island, B.C.
Speculation here in B.C. is that the large numbers of California sea lions have followed the herring runs north.
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