The Psychology of Gift Giving: Unique and Expensive or Ordinary but Useful?
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Be who you are and say what you feel because those who mind don't matter and those who matter don't mind. - Dr. Seuss
Curated by
Janet Devlin
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Apr 29
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Apr 19, 2012
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Maybe the late, lamented Galápagos tortoise wasn't the end of his line, after all. A DNA shocker is spurring a hunt for living cousins.
'Now, in an area known as Volcano Wolf—on the secluded northern tip of Isabela, another Galápagos island—the researchers have identified 17 hybrid descendants of C.n. abingdoni within a population of 1,667 tortoises.
Genetic testing identified three males, nine females, and five juveniles (under the age of 20) with DNA from C.n. abingdoni. The presence of juveniles suggests that purebred specimens may exist on the island too, the researchers said.
"Even the parents of some of the older individuals may still be alive today, given that tortoises live for so long and that we detected high levels of ancestry in a few of these hybrids," Yale evolutionary biologist Danielle Edwards said.' Delete the scoop?
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When an otherwise nocturnal wombat shows up in the daylight, acting lethargic and having trouble walking, you know that animal is in trouble.
When thousands of wombats turn up sick, emaciated, balding and dying, you know you have a crisis. That’s what’s happening in Murraylands, South Australia, where up to 85 percent of the region’s southern hairy-nosed wombats (Lasiorhinus latifrons) are sick or dying, apparently the victims of invasive plants that have taken over the local ecosystem. Delete the scoop?
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The vital tasks carried out by tiny "engineers" like earthworms that recycle waste and bees that pollinate crops are under threat because one fifth of the world's spineless creatures may be at risk of extinction, a study showed on Friday.
'"One in five invertebrates (creatures without a backbone) look to be threatened with extinction," said Ben Collen at the Zoological Society of London (ZSL) of an 87-page report produced with the International Union for Conservation of Nature.'
And maybe politicians.......................... Delete the scoop?
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