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Author Topic: New developments in the field of science  (Read 444894 times)

T40cfr403

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Re: New developments in the field of science
« Reply #2070 on: December 18, 2018, 08:08:23 PM »
New discovery pushes origin of feathers back by 70 million years

https://www.sciencedaily.com/releases/2018/12/181217125908.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fbirds+%28Birds+News+--+ScienceDaily%29


These are the four feather types: filaments, filament bunches, tufted filament, down feather. Scale bars for photos, are a-d: 100?m, 200?m, 500?m and 1mm).
Credit: Zixiao Yang

Abstract: Pterosaur integumentary structures with complex feather-like branching

https://www.nature.com/articles/s41559-018-0728-7

Article: Feathers and Fur Fly Over Pterosaur Fossil Finding

https://www.nytimes.com/2018/12/17/science/pterosaur-feathers-fur.html?em_pos=medium&emc=edit_sc_20181218&nl=science-times&nl_art=7&nlid=75212545emc%3Dedit_sc_20181218&ref=headline&te=1


An artist's rendering of a short-tailed pterosaur. Scientists say they were covered with fuzzy, fur-like insulating structures over their heads, torsos, limbs and tails. And on their heads and wings, three types of curved, thread-like fibers resembling modern feathers. Credit Yuan Zhang/Nature Ecology & Evolution
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
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T40cfr403

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Re: New developments in the field of science
« Reply #2071 on: December 18, 2018, 08:09:35 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
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T40cfr403

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Re: New developments in the field of science
« Reply #2072 on: December 18, 2018, 08:10:27 PM »
Birds can mistake some caterpillars for snakes; can robots help?

https://www.sciencedaily.com/releases/2018/12/181217120038.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fbirds+%28Birds+News+--+ScienceDaily%29


A bite directly on the false eye.
Credit: Photo courtesy of James Marden.
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2073 on: December 18, 2018, 08:25:51 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2074 on: December 19, 2018, 01:58:58 PM »
Dive-bombing for love: Male hummingbirds dazzle females with a highly synchronized display

https://www.sciencedaily.com/releases/2018/12/181218115150.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fbirds+%28Birds+News+--+ScienceDaily%29


A team of Princeton biologists has found that male broad-tailed hummingbirds like this one flash their iridescent throat feathers while making a buzzing sound as part of a complex courtship dive. Broad-tailed hummingbirds are native to Central America and summer in western United States.
Credit: Photo by Noah Whiteman, University of California, Berkeley
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2075 on: December 19, 2018, 02:21:52 PM »
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
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T40cfr403

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Re: New developments in the field of science
« Reply #2076 on: December 19, 2018, 03:34:06 PM »
Abstract: The auditory attributes of Golden Eagles: Do Golden (Aquila chrysaetos) and Bald Eagles (Haliaeetus leucocephalus) share the same auditory space?

https://asa.scitation.org/doi/10.1121/1.5067726
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2077 on: December 20, 2018, 02:49:06 PM »
Climate change affects breeding birds

https://phys.org/news/2018-12-climate-affects-birds.html


A Washington State University researcher has found that the breeding seasons of wild house finches are shifting due to climate change. Credit: Jessica Tir

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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2078 on: December 23, 2018, 09:59:08 PM »
Feral and pet cats kill billions of birds each year, study says

https://www.post-gazette.com/life/outdoors/2018/12/20/Pennsylvania-cats-invasive-species-wildlife-birds/stories/201812210001

Abstract: Responding to misinformation and criticisms regarding United States cat predation estimates

https://link.springer.com/article/10.1007%2Fs10530-018-1796-y

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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2079 on: December 23, 2018, 09:59:52 PM »
Feral and pet cats kill billions of birds each year, study says

https://www.post-gazette.com/life/outdoors/2018/12/20/Pennsylvania-cats-invasive-species-wildlife-birds/stories/201812210001

Abstract: Responding to misinformation and criticisms regarding United States cat predation estimates

https://link.springer.com/article/10.1007%2Fs10530-018-1796-y

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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2080 on: December 24, 2018, 08:03:00 PM »
Plastic Threatens Even Our Common Shorebirds, Study Warns

https://www.audubon.org/news/plastic-threatens-even-our-common-shorebirds-study-warns

Paper: First record of debris ingestion by the shorebird American Oystercatcher (Haematopus palliatus) on the Southern coast of Brazil

https://www.sciencedirect.com/science/article/pii/S0025326X1830835X#bb0175


American Oystercatchers. Photo: Jesse Gordon/Audubon Photography Awards
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2081 on: December 27, 2018, 03:18:05 PM »
Thousands of birds killed illegally in Norway: report

http://www.xinhuanet.com/english/2018-12/27/c_137700970.htm
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2082 on: December 27, 2018, 03:34:56 PM »
Eagle study discovers ecological relationships

https://www.ptleader.com/stories/eagle-study-discovers-ecological-relationships,58803

Study: Fish Distribution and Abundance in Shallow Intertidal Habitats of Tarboo and North Dabob Bays

http://www.nwwatershed.org/pubs/tarbooFishSurvey.pdf


 Researchers with the Northwest Watershed Institute studied eagles' hunting habits at Dabob Bay.
Courtesy photo by Heather Gordon
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2083 on: December 29, 2018, 02:55:06 PM »
Abstracts or 1st page of Letters

Evolution of Communal Roosting: A Social Refuge-Territory Prospecting Hypothesis

http://www.bioone.org/doi/full/10.3356/JRR-17-101.1

Is the Slope Between the Alborz Mountains and Caspian Sea in Northern Iran a Bottleneck for Migrating Raptors?

http://www.bioone.org/doi/full/10.3356/JRR-17-92.1

Nest Records of Two Large Eagles in Colombia and Ecuador

http://www.bioone.org/doi/full/10.3356/JRR-17-60.1

Records of Orange-breasted Falcons in Urban and Suburban Areas of Northwestern Argentina

http://www.bioone.org/doi/abs/10.3356/JRR-17-15.1

Bald Eagle Predation by an American Alligator

http://www.bioone.org/doi/full/10.3356/JRR-18-17.1

The Contribution of Citizen Science to the Conservation of the Lesser Kestrel (Falco naumanni) in Israel

http://www.bioone.org/doi/full/10.3356/JRR-17-99.1

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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring

T40cfr403

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Re: New developments in the field of science
« Reply #2084 on: December 29, 2018, 02:57:25 PM »
Abstracts:

Inter-island Movements of Two Barbary Falcon (Falco peregrinus pelegrinoides) Juveniles in the Canary Islands

http://www.bioone.org/doi/full/10.3356/JRR-18-16.1

A Large Aggregation of 50 Peregrine Falcons (Falco peregrinus) During Migration in the Western Gulf of Mexico

http://www.bioone.org/doi/full/10.3356/JRR-18-13.1

Lead Exposure in the Critically Endangered Bearded Vulture (Gypaetus barbatus) Population in Southern Africa

http://www.bioone.org/doi/full/10.3356/JRR-17-86.1
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Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.
― Rachel Carson, Silent Spring