News tagged with owl
Eagle Owls Send Sweeter Valentines When Moon Is Full
(PhysOrg.com) -- Placing a tracking device on breeding owls with a wing span large enough to cover eight humans lined up side-by-side, is not a walk in the park. But, funded by a grant from the Spanish Ministry ...
Jan 21, 2010 |
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Small evolutionary shifts make big impacts, study finds
(PhysOrg.com) -- In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones -- which help distinguish color during the day -- develop before the more light-sensitive ...
May 20, 2009 |
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An extinct species of scops owl has been discovered in Madeira
An international team of scientists, including some from Majorca and the Canary Islands, have described a new type of fossil scops owl, the first extinct bird on the archipelago of Madeira (Portugal). Otus ma ...
Mar 23, 2012 |
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Switching senses: Biologists find that leeches shift the way they locate prey in adulthood
(PhysOrg.com) -- Many meat-eating animals have unique ways of hunting down a meal using their senses. To find a tasty treat, bats use echolocation, snakes rely on infrared vision, and owls take advantage of ...
Nov 01, 2011 |
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Owl study expands understanding of human stereovision
Using owls as a model, a new research study reveals the advantage of stereopsis, commonly referred to as stereovision, is its ability to discriminate between objects and background; not in perceiving absolute depth. The findings ...
Jul 11, 2011 |
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Moonstruck primates: Owl monkeys need moonlight as much as a biological clock for nocturnal activity
An international collaboration led by a University of Pennsylvania anthropologist has shown that environmental factors, like temperature and light, play as much of a role in the activity of traditionally nocturnal ...
Sep 03, 2010 |
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Predators key to sustainable farming
Barn owls have emerged as the unlikely heroes in the fight against climate change, saving Malaysian farmers more than money, UQ PhD Student Chong Leong Puan has found.
Aug 21, 2009 |
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Morning people and night owls show different brain function (w/Video)
Are you a "morning person" or a "night owl?"
Medicine & Health / Neuroscience
Jun 23, 2009 |
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New insight into primate eye evolution
Researchers comparing the fetal development of the eye of the owl monkey with that of the capuchin monkey have found that only a minor difference in the timing of cell proliferation can explain the multiple anatomical differences ...
May 18, 2009 |
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Owls' dawn and dusk concerts promote visual communication
Reporting in the online, open-access journal PLoS ONE April 8, Vincenzo Penteriani and Maria Delgado of the Estacion Biologica de Doņana, Spain, describe the evolution of white throat badges in association with d ...
Apr 08, 2009 |
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Obama plan for spotted owl targets rival bird
(AP) -- To save the imperiled spotted owl, the Obama administration is moving forward with a controversial plan to shoot barred owls, a rival bird that has shoved its smaller cousin aside.
Feb 28, 2012 |
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Old, large, living trees must be left standing to protect nesting animals: study
Old trees must be protected to save the homes of more than 1,000 different bird and mammal species who nest, says a new study from the University of British Columbia. Most animals can't carve out their own tree holes and ...
Jun 16, 2011 |
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Toxic toll of rat poison on birds revealed
Rats might not be everyone's cup of tea, but you might want to think twice about reaching for the rat poison next time you come across one. While rat poison is brilliant at killing rats, it also spells danger ...
May 04, 2011 |
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Is anxiety contagious? Surprising research finds common stress levels in social groups
(PhysOrg.com) -- Anxiety, or the reaction to a perceived danger, is a response that differs from one animal or human to another -- or so scientists thought. Now researchers at Tel Aviv University are challenging ...
Oct 14, 2010 |
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Californias largest burrowing owl population is in rapid decline
New surveys show a 27-percent drop in the number of breeding burrowing owls in California's Imperial Valley and provide some of the most striking evidence yet that the species is badly in need of state protections. Recent ...
Sep 22, 2010 |
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