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A study funded by the BBSRC and published in 2011 [10] was the first to demonstrate that chickens possess empathy and the first study to use both behavioral and physiological methods to measure these traits in birds. [7]
This type of sleep has also been seen in dolphins and whales. The organism is typically able to keep one eye open during this process, which allows added vigilance in high-predation environments. [5] The evolution of this trait in birds and aquatic mammals is of interest to researchers because of the pressures involved.
While in unihemispheric slow-wave sleep, birds will sleep with one open eye towards the direction from which predators are more likely to approach. When birds do this in a flock, it's called the "group edge effect". [2] The mallard is one bird that has been used experimentally to illustrate the "group edge effect". Birds positioned at the edge ...
The researchers found that people who were early birds had a 23% lower risk of developing major depression for every hour earlier they reached their midpoint of sleep (that is, the middle of their ...
Abnormal behavior of birds in captivity has been found to occur among both domesticated and wild birds. [1] Abnormal behavior can be defined in several ways. Statistically, 'abnormal' is when the occurrence, frequency or intensity of a behaviour varies statistically significantly , either more or less, from the normal value. [ 2 ]
While other birds are flying to warmer weather for the upcoming winter months, the Bohemian waxwings are taking advantage of Canada's berries. The 'Drunk' birds in Canada get sober after binging ...
How do birds get their colors? Understanding bird coloration combines biology and physics. There are two primary ways that birds get their color: pigmentation and the physical structure of the ...
Brains of an emu, a kiwi, a barn owl, and a pigeon, with visual processing areas labelled. The avian brain is the central organ of the nervous system in birds. Birds possess large, complex brains, which process, integrate, and coordinate information received from the environment and make decisions on how to respond with the rest of the body.