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Mrs.B commented on Adriana's group Freethought and Funny Bones
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Stephen commented on Hope's group Imagine No Organized Religion, Please! Looking better in 2020!
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Davy commented on Doone's group Humans of Earth and a Grotesque Idiot News
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Doone commented on Doone's group Humans of Earth and a Grotesque Idiot News
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Doone commented on A Former Member's group The Burgeoning Family Tree of Monkey Men and Women
"From the past, this movement was thought to go the other way One of my favorite #histsci ideas…"
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Doone commented on A Former Member's group The Burgeoning Family Tree of Monkey Men and Women
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Doone commented on A Former Member's group Animal | Vegetable | Mineral | Fungus or Burgeoning Cockwombles
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Doone commented on A Former Member's group Animal | Vegetable | Mineral | Fungus or Burgeoning Cockwombles
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Onyango Makagutu commented on Doone's group Humans of Earth and a Grotesque Idiot News
"Stephen, I agree with Bevan."
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Stephen commented on Doone's group Humans of Earth and a Grotesque Idiot News
"If freedom is to be saved and enlarged, poverty must be ended"Nye Bevan, 1952"
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Mrs.B commented on Doone's group Humans of Earth and a Grotesque Idiot News
"Yeah, the prairies are very much that way....Alberta, Saskatchewan, Manitoba......"
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Stephen commented on Doone's group Humans of Earth and a Grotesque Idiot News
"Is that so? I'm not up to scratch on Canadian federal(if that's the term) politics."
16 hours ago
Mrs.B commented on Doone's group Humans of Earth and a Grotesque Idiot News
"That province is soooooo conservative."
16 hours ago
Mrs.B commented on Hope's group Imagine No Organized Religion, Please! Looking better in 2020!
"Yup, whatever you say......"
16 hours ago

We are a worldwide social network of freethinkers, atheists, agnostics and secular humanists.

Some of nature's most fascinating fathers may be at risk of extinction.

Male Darwin's frogs swallow their offspring in the tadpole stage, incubate their young in their vocal sacs, and eventually spit out fully developed froglets. Along with seahorses, the frogs are thought to be the only known living vertebrates in which dads take on baby-carrying duties with special sacs that make them look pregnant.

But new research shows that these unique creatures may be vanishing as their habitats in Chile's temperate forests are destroyed.

Shrinking range

Charles Darwin first discovered the frogs while traveling in Chile in 1834. Scientists who later studied the mouth-brooding animals found that there are actually two species, naming one Rhinoderma darwinii (Darwin's frog) and the other Rhinoderma rufum (Chile Darwin's frog).

From 2008 to 2012, a team of researchers led by zoologist Claudio Soto-Azat surveyed 223 sites in the frogs' historical range, from the coastal city of Valparaíso south to an area just beyond Chiloé Island. R. rufum has not been seen in the wild since 1980, and despite the recent extensive search effort across every recorded location of the species, no individuals were seen or heard during the four-year survey, the researchers said. R. darwinii,meanwhile, was found in 36 sites, but only in fragmented and small populations, each with likely less than 100 individuals.

The findings suggest Darwin's frogs have disappeared from, or at least rapidly declined in, many locations where they were recently abundant, the researchers wrote in a paper published online June 12 in the journal PLOS ONE. Habitat loss and fragmentation may be the culprits. [continue]

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