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  • Frazil ice
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Re: Wildlife
« Reply #300 on: July 28, 2020, 11:13:16 AM »
" It is obvious to those who regularly work with animals that there is no sharp difference between how human minds and other minds work. Even second order thinking (thinking about thinking) which is horribly difficult to rule in or out in animals occurs on a spectrum, as we regularly observe in people."

Agree! And that gives us, people who work/live with animals enough perspective to look at those actually rejecting the fact of an animal mind, like those "scientists" at the end of the  XIX Century rejecting a mind and a soul in those
living in tribes in lost forests.


  • New ice
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Re: Wildlife
« Reply #301 on: July 29, 2020, 04:15:22 AM »
Two good books on the subject:

Divorce Among The Gulls


The Biological Basis of Human Behavior: Forging Links between Evolution and Behavior


  • New ice
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Re: Wildlife
« Reply #302 on: July 29, 2020, 04:24:56 AM »
I also ran across this article about consciousness (finally one I can largely get behind!) that talks about how it may have arisen gradually over deep time, rather than only inhering in humanity and closely-related species.


  • New ice
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Re: Wildlife
« Reply #303 on: July 29, 2020, 04:39:39 AM »
If AST is correct, 300 million years of reptilian, avian, and mammalian evolution have allowed the self-model and the social model to evolve in tandem, each influencing the other. We understand other people by projecting ourselves onto them. But we also understand ourselves by considering the way other people might see us. Data from my own lab suggests that the cortical networks in the human brain that allow us to attribute consciousness to others overlap extensively with the networks that construct our own sense of consciousness.


  • Nilas ice
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Re: Wildlife
« Reply #304 on: August 05, 2020, 10:21:19 PM »
The first little pack of wolves in the country, after a very very very long time. The Forestland Daltons.


  • Nilas ice
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Re: Wildlife
« Reply #305 on: September 04, 2020, 02:32:01 PM »
Secrets of male elephant society revealed in the wild

Older male elephants have an important role to play in the survival of the species by passing on their skills and knowledge to younger males, a study of African elephants suggests.

Matriarchs lead groups of daughters and their calves, while males grow up and leave the herd.

Mature bull elephants play an important role in leading these younger males, researchers have found.

And their loss by poaching or hunting could have "disastrous impacts".

The study, published in the journal Scientific Reports suggests older bulls are likely to occupy a similar role in male society as matriarchs in female breeding herds.

"It has long been known that older females make more effective leaders of breeding herds due to their enhanced experience - we provide compelling support for a similar role of older males in the male society," said Connie Allen of the University of Exeter and charity Elephants for Africa.

The researchers investigated the behaviour of more than 1,250 male African savannah elephants travelling to and from the Boteti River in the Makgadikgadi Pans National Park, Botswana.

Lone male elephants accounted for a fifth of sightings on elephant pathways using camera traps, with adolescent males travelling along these routes less often than expected, suggesting lone travel is riskier for younger and less experienced males.

Mature adult bulls were more likely to travel at the front of groups of males, suggesting they may be important leaders with valuable ecological knowledge.

and more on:
Þetta minnismerki er til vitnis um að við vitum hvað er að gerast og hvað þarf að gera. Aðeins þú veist hvort við gerðum eitthvað.

Tor Bejnar

  • Young ice
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Re: Wildlife
« Reply #306 on: September 11, 2020, 04:10:42 PM »
Discovery of new colonies by Sentinel2 reveals good and bad news for emperor penguins

Lots of information on how to find Emperor Penguin colonies using Sentinel 2 imaging with a complete list of known and recently discovered colonies.  I stumbled across this while searching for info on when we can expect to find new Sentinel 2 images for this upcoming season.
Arctic ice is healthy for children and other living things.


  • Young ice
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Re: Wildlife
« Reply #307 on: September 13, 2020, 03:16:24 PM »
Scientists Baffled by Orcas Ramming Sailing Boats Near Spain and Portugal

In the last two months, from the Strait of Gibraltar to Galicia, orcas have been harassing yachts, damaging vessels and injuring crew; and sailors have sent distress calls after worrying encounters.

... On 29 July, off Cape Trafalgar, Victoria Morris was crewing a 46ft delivery boat that was surrounded by nine orcas. The cetaceans rammed the hull for over an hour, spinning the boat 180 degrees, disabling the engine and breaking the rudder, as they communicated with loud whistling.

It felt, she said, “totally orchestrated”. Earlier that week, another boat in the area reported a 50-minute encounter; the skipper said the force of the ramming “nearly dislocated the helmsman’s shoulder”.

At 11.30 the previous night, British couple Beverly Harris and Kevin Large’s 40ft yacht was brought to a sudden halt, then spun several times; Harris felt the boat “raise a little”.

Earlier that evening, Nick Giles was motorsailing alone when he heard a horrific bang “like a sledgehammer”, saw his wheel “turning with incredible force”, disabling the steering as his 34ft Moody yacht spun 180 degrees. He felt the boat lift and said he was pushed around without steering for 15 minutes.

... On 30 August, a French-flagged vessel radioed the coastguard to say it was “under attack” from killer whales. Later that day, a Spanish naval yacht, Mirfak, lost part of its rudder after an encounter with orcas under the stern.
“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late


  • First-year ice
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Re: Wildlife
« Reply #308 on: September 19, 2020, 08:17:13 AM »
Wildlife needs habitat - that's a problem, for wildlife.
'Shocking': wilderness the size of Mexico lost worldwide in just 13 years, study finds

Researchers say loss of 1.9m square kilometres of intact ecosystems will have ‘profound implications’ for biodiversity

The loss of 1.9m square kilometres (735,000 sq miles) of intact ecosystems would have “profound implications” for the planet’s biodiversity, the study’s authors said.

Using mostly satellite imagery, 17 scientists across six countries examined the human footprint across the globe and how it had changed between 2000 and 2013. Almost 20% of the earth’s surface had deteriorated, the study found, while human pressure had eased on only six per cent of the planet. Russia, Canada, Brazil, and Australia held the largest intact areas, together responsible for 60% of the world’s most untouched places.

Some 1.1m sq km (425,000 sq miles) of wilderness identified from imagery in 2000 had some human impact 13 years later. Tropical savannahs and grasslands lost the most area to human pressure, the study, published in the journal One Earth, found.

Lead researcher Brooke Williams, of the University of Queensland, told the Guardian: “We were expecting there to be high levels of intact ecosystem and wilderness loss, but the results were shocking. “We found substantial area of intact ecosystems had been lost in just 13 years – nearly two million square kilometres – which is terrifying to think about. Our findings show that human pressure is extending ever further into the last ecologically intact and wilderness areas.”

Rainforests in Indonesia and Papua New Guinea that were both rich with species had lost large areas to human activities. Conversion of habitats to cash crops, including palm oil, was a big contributor to the losses.

The study did not try to identify the cause of the losses, but Williams said the direct clearing of landscapes for farming was a known major driver.

Co-author Prof James Watson, also of the University of Queensland and the global conservation group the Wildlife Conservation Society, said: ‘The data does not lie. Humanity keeps on shrinking the amount of land that other species need to survive.”

“In a time of rapid climate change, we need to proactively secure the last intact ecosystems on the planet, as these are critical in the fight to stop extinction and halt climate change,” Watson said. Looking across 221 nation states, only 26 had at least half of their land intact, the study found. In 2013, 41% of the world’s surface was either wilderness or was mostly intact.

Williams, who is also a conservationist at the Wildlife Conservation Society, said the losses undermined efforts to mitigate climate change because intact lands acted as storage spaces for carbon dioxide. She said: “Proactively protecting Earth’s intact ecosystems is humanity’s best mechanism for protecting against climate change, ensuring large-scale ecological and evolutionary processes persist, and safeguarding biological diversity into the future.”

The paper’s authors write: “Halting the loss of intact ecosystems cannot be achieved alongside current trajectories of development, population growth, and resource consumption.”

Prof Bill Laurance, the director of James Cook University’s centre for tropical environmental and sustainability science in Queensland, who was not involved in the study, said its findings were scary. “Humans are trashing much of the planet – no doubt about that,” he said. “The tropics are under particular pressure, and it’s not just forest destruction but also the loss of other habitat types, such as tropical savannahs and native grasslands, that are occurring apace.”

He said it was notable that tropical grasslands were heavily impacted because these were more easily converted to pasture or farmland. Declines in rainforests in south-east Asia were also “among the biologically richest ecosystems on Earth”. One example, he said, was the rainforests of Sumatra that were home to critically endangered species of orangutan, as well as tigers, elephants and rhinos. That country’s forests were either gone or being devastated.

He said: “If we don’t halt such changes, we’re going to see the continued rapid disruption and loss of Earth’s ecosystems, including the biologically richest habitats on the planet. And along with that will be continued declines in the quality of life for people.”

The study comes after research earlier this week found that protected areas around the world, such as national parks and world heritage areas, were becoming isolated. Only about 10% of the world’s protected areas were connected to similar habitats outside their borders. The research, in the journal Nature Climate Change, warned that as the globe warmed, species would look to move. But if protected areas were isolated, those species would have nowhere to go.
Just ten percent of the global terrestrial protected area network is structurally connected via intact land
Land free of direct anthropogenic disturbance is considered essential for achieving biodiversity conservation outcomes but is rapidly eroding. In response, many nations are increasing their protected area (PA) estates, but little consideration is given to the context of the surrounding landscape. This is despite the fact that structural connectivity between PAs is critical in a changing climate and mandated by international conservation targets. Using a high-resolution assessment of human pressure, we show that while ~40% of the terrestrial planet is intact, only 9.7% of Earth’s terrestrial protected network can be considered structurally connected. On average, 11% of each country or territory’s PA estate can be considered connected. As the global community commits to bolder action on abating biodiversity loss, placement of future PAs will be critical, as will an increased focus on landscape-scale habitat retention and restoration efforts to ensure those important areas set aside for conservation outcomes will remain (or become) connected.
« Last Edit: September 19, 2020, 08:27:56 AM by gerontocrat »
"Para a Causa do Povo a Luta Continua!"
"And that's all I'm going to say about that". Forrest Gump
"Damn, I wanted to see what happened next" (Epitaph)


  • Young ice
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Re: Wildlife
« Reply #309 on: September 19, 2020, 12:43:36 PM »
Weasel mother (miscalled 'ferret') rescues her baby:

It ain't easy being a Mom.