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Author Topic: New developments in the field of science  (Read 216808 times)

T40cfr403

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Re: New developments in the field of science
« Reply #2520 on: September 04, 2019, 04:21:09 PM »
Moonlight turns white barn owls into terrifying 'ghosts'

https://www.pbs.org/wgbh/nova/article/moonlight-white-barn-owls/

Barn owls reflect moonlight in order to stun their prey

https://phys.org/news/2019-09-barn-owls-moonlight-stun-prey.html

White barn owls have surprising hunting success under a bright moon

https://www.earth.com/news/white-barn-owls-hunting/

White owls use moonlight to instill terror in their prey

https://www.mnn.com/earth-matters/animals/blogs/white-barn-owls-moonlight

Paper: Differential fitness effects of moonlight on plumage colour morphs in barn owls

https://www.nature.com/articles/s41559-019-0967-2.epdf?referrer_access_token=Tjw2MGnDO5K9Gn5Z3kKultRgN0jAjWel9jnR3ZoTv0MVeUDiCDxsWnn-FGyDRQhdLa3YS-p8TWhg2-I5DCdqCLWA5lQL5Be_OvVWI0KogTaAFqMKjdrXCjVGMASY1gtAEk4v8Rbcx2goOz_n0W6d5IlhQ7bvQdibvwzR9TVOLtZSJzA6P7b_gMeYtTQSL7bs3EzXxD8gJIqTDg3nevg0fsB3ra1FIH-IdwMvbQmhuS8uENzs06y9eLV-hS8CDWjd&tracking_referrer=www.pbs.org


Given their glimmer, you might expect the whitest barn owls to be terrible hunters when moon looms large. But it turns out that quite the opposite is true. Image Credit: Isabelle Henry



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T40cfr403

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Re: New developments in the field of science
« Reply #2521 on: September 04, 2019, 04:34:43 PM »
Hanging Out With Humans Makes This Bird Bad at Its Job

https://www.nytimes.com/2019/08/29/science/weka-birds-seeds-new-zealand.html?te=1&nl=science-times&emc=edit_sc_20190903?campaign_id=34&instance_id=12084&segment_id=16678&user_id=5dfcb8a357462614ceb0aa39e8af8e74&regi_id=75212545

Paper: Long seed dispersal distances by an inquisitive flightless rail (Gallirallus australis) are reduced by interaction with humans

https://royalsocietypublishing.org/doi/10.1098/rsos.190397


The ground-dwelling weka of New Zealand has no trouble swallowing big seeds, but some stick close to areas of human activity, limiting the range of seed dispersal they're responsible for.CreditCreditJake Osborne


Some of the native New Zealand fruits that are part of the weka diet. From left, rimu, kahikatea, matai, pigeonwood, miro and tawa. Credit Dave Kelly
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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 #2522 on: September 04, 2019, 04:42:01 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 #2523 on: September 05, 2019, 03:40:11 PM »
The Other Twitterverse: Squirrels Eavesdrop On Birds, Researchers Say

https://www.npr.org/2019/09/04/757530544/the-other-twitterverse-squirrels-eavesdrop-on-birds-researchers-say

Squirrels Eavesdrop on Birds to Check if Danger Has Passed

https://www.smithsonianmag.com/smart-news/squirrels-eavesdrop-birds-see-if-danger-has-passed-180973047/

Squirrels listen in to birds' conversations as signal of safety

https://www.sciencedaily.com/releases/2019/09/190904141302.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fbirds+%28Birds+News+--+ScienceDaily%29

Paper: Eavesdropping grey squirrels infer safety from bird chatter

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0221279


Squirrels readily resumed normal activities such as foraging after hearing nearby birds' relaxed chatter


The sounds of pleasant, relaxed bird chatter made eastern grey squirrels resume foraging more quickly after hearing the sounds of a predator, researchers found.
Mike Kemp/In Pictures via Getty Images
« Last Edit: September 05, 2019, 05:00:19 PM by T40cfr403 »
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T40cfr403

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Re: New developments in the field of science
« Reply #2524 on: September 05, 2019, 03:47:51 PM »
Native birds in south eastern Australia worst affected by habitat loss

https://www.uq.edu.au/news/article/2019/09/native-birds-south-eastern-australia-worst-affected-habitat-loss

Native birds in South-eastern Australia worst affected by habitat loss

https://www.sciencedaily.com/releases/2019/09/190903091439.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fbirds+%28Birds+News+--+ScienceDaily%29

Abstract: A composite measure of habitat loss for entire assemblages of species

https://conbio.onlinelibrary.wiley.com/doi/abs/10.1111/cobi.13331


An Eastern Yellow Robin (Eopsaltria australis). More than 60 per cent of the birds of south-east mainland Australia have lost more than half of their natural habitat. Credit: Graham Winterflood.
« Last Edit: September 05, 2019, 04:40:49 PM by T40cfr403 »
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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 #2525 on: September 05, 2019, 04:39:03 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 #2526 on: September 05, 2019, 04:39:34 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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Re: New developments in the field of science
« Reply #2527 on: September 07, 2019, 04:13:32 PM »
Hurricane Dorian has likely wiped out a rare species of tropical bird, scientist says

https://en.brinkwire.com/science/hurricane-dorian-has-likely-wiped-out-a-rare-species-of-tropical-bird-scientist-says/
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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 #2528 on: September 07, 2019, 04:24:45 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 #2529 on: September 08, 2019, 04:36:49 PM »
Scientists fear collapse of German bird populations

https://www.birdguides.com/news/scientists-fear-collapse-of-german-bird-populations/#


The study revealed that Meadow Pipit had become extinct around Lake Constance, likely due to a crash in insect numbers (Chris Small).
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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 #2530 on: September 10, 2019, 04:50:10 PM »
Vultures acquire information on carcass location from scavenging eagles

file:///C:/Users/rue/Downloads/Vultures_acquire_information_on_carcass.pdf
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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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Re: New developments in the field of science
« Reply #2531 on: September 12, 2019, 05:46:39 PM »
An experimental test of the effect of male attractiveness on maternal investment in Dark-eyed Juncos

https://bioone.org/journals/The-Auk/volume-136/issue-1/uky009/An-experimental-test-of-the-effect-of-male-attractiveness-on/10.1093/auk/uky009.short

Duetting correlates with territory quality and reproductive success in a suboscine bird with low extra-pair paternity

https://bioone.org/journals/The-Auk/volume-136/issue-1/uky004/Duetting-correlates-with-territory-quality-and-reproductive-success-in-a/10.1093/auk/uky004.short

Above abstracts from:  The Auk  VOL. 136 - NO. 1 | January 2019

https://bioone.org/journals/the-auk/volume-136/issue-1
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T40cfr403

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Re: New developments in the field of science
« Reply #2532 on: September 13, 2019, 10:05:46 PM »
Trade of threatened vultures and other raptors for fetish and bushmeat in West and Central Africa

https://www.academia.edu/20472695/Trade_of_threatened_vultures_and_other_raptors_for_fetish_and_bushmeat_in_West_and_Central_Africa?auto=download


 Locations of the markets in West and Central Africa where surveys of raptor carcasses for sale were conducted
 
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Re: New developments in the field of science
« Reply #2533 on: September 14, 2019, 08:04:55 PM »
Millions of years ago, this 'frozen dragon' flying reptile as big as a fighter jet soared over Earth

https://www.nbcnews.com/mach/science/millions-years-ago-frozen-dragon-flying-reptile-big-fighter-jet-ncna1052476?cid=eml_nbn_20190914

Abstract: Cryodrakon boreas, gen. et sp. nov., a Late Cretaceous Canadian azhdarchid pterosaur

https://www.tandfonline.com/doi/abs/10.1080/02724634.2019.1649681?journalCode=ujvp20


Cryodrakon boreas was a flying reptile that lived during the Cretaceous period around 77 million years ago.David Maas / Queen Mary University of London
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Re: New developments in the field of science
« Reply #2534 on: September 15, 2019, 04:49:18 PM »
Huge decline in songbirds linked to common insecticide

https://www.nationalgeographic.com/environment/2019/09/widely-used-pesticide-makes-birds-lose-weight/

Common insecticide threatens survival of wild, migrating birds

https://www.ehn.org/common-insecticide-threatens-survival-of-wild-migrating-birds-2640322064.html

Controversial insecticides shown to threaten survival of wild birds

https://www.sciencedaily.com/releases/2019/09/190912140456.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Fplants_animals%2Fbirds+%28Birds+News+--+ScienceDaily%29

Abstract: A neonicotinoid insecticide reduces fueling and delays migration in songbirds

https://science.sciencemag.org/content/365/6458/1177


White-throated sparrows like this one were found in a study to lose weight quickly after eating seeds treated with neonicotinoids, the most common insecticide used in the U.S.
Photograph by Education Images/ Universal Images Group/ Getty Images
« Last Edit: September 15, 2019, 05:30:48 PM by T40cfr403 »
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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