News tagged with animal behaviors
Scientists learn much about humans from birds' singing lessons
Why wasn't this intruder getting the message? The lord of the manor had warned him repeatedly to back off, with threatening gestures and loud admonitions. But the trespasser just sat there - singing.
May 18, 2012 |
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Scientists discover first ever record of insect pollination from 100 million years ago
Amber from Cretaceous deposits (110-105 my) in Northern Spain has revealed the first ever record of insect pollination. Scientists have discovered in two pieces of amber several specimens of tiny insects covered ...
May 14, 2012 |
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Robosquirrels versus rattlesnakes
Robot squirrels from the University of California, Davis, are going into rattlesnake country near San Jose, continuing a research project on the interaction between squirrels and rattlesnakes.
Apr 03, 2012 |
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World record find: Oldest evidence of lobsters living together discovered in gas shale
(PhysOrg.com) -- Discovering direct animal behavior from the fossil record can only be done in exceptional circumstances. Such circumstances exist in the German Posidonia gas shale from the Jurassic period ...
Other Sciences / Archaeology & Fossils
Mar 08, 2012 |
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Chronic stress in elephants can affect long-term behavior
Stress is known to lead to short-term escape behavior, and new research on elephants in South Africa shows that it can also cause long-term escape behavior, affecting the extent that elephants use their habitat. The work ...
Feb 22, 2012 |
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Honeybees shown to speak directly to hornets
(PhysOrg.com) -- Most higher order animals have some means for “speaking” with enemies or predators. Dogs and cats growl and hiss for example when threatened to let others know not to mess with ...
Hunger may inhibit defensive behavior
Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.
Feb 01, 2012 |
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Bonobos' unusual success story
Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, ...
Jan 23, 2012 |
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Evolutionary psychologists find macaques more likely influenced by friends than family
(PhysOrg.com) -- In order to better understand human relationships, researchers who study such things often turn to other primates for the simple reason that they are more accessible, being locked up in zoos ...
Early growth trajectories have long-term effects on fitness, study finds
(PhysOrg.com) -- Food supply and environmental conditions affect the growth rates of organisms, which in turn influence future survival and reproduction. A new study by researchers at the University of California, ...
Oct 28, 2011 |
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Wandering females give stags the slip
The fierce battles of rutting stags may be the most famous symbols of males competing over females in the animal kingdom. But it turns out the stags don't have things all their own way.
Oct 19, 2011 |
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Crows are capable of distinguishing symbols, study finds
(PhysOrg.com) -- A new study published in Animal Behavior shows that crows are capable of recognizing symbols designed to represent different quantities and is one of many different studies currently lookin ...
Polar dinosaur tracks open new trail to past
Paleontologists have discovered a group of more than 20 polar dinosaur tracks on the coast of Victoria, Australia, offering a rare glimpse into animal behavior during the last period of pronounced global warming, about 105 ...
Other Sciences / Archaeology & Fossils
Aug 09, 2011 |
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Surviving sex with black widows
Scientists have discovered that male black widow spiders, famous for ending up as their mates' post-coital supper, are not as clueless as you might think. In a series of careful experiments, a team of researchers ...
Aug 08, 2011 |
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Manakins, birds of tropical forests, cooperate for common goal
(PhysOrg.com) -- Leks, they're called, gatherings of males of certain animal species for competitive mating displays. But not every lek's members are competitors, scientists have learned. Some--birds called ...
Jun 22, 2011 |
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