White-crowned Sparrow Males Unruffled by Younger Rivals

White-crowned Sparrow Males Unruffled by Younger Rivals

March 13, 2012 by  
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In the territorial world of nature, it’s not uncommon for older males to give way to the younger generation, albeit with a fight. Researchers have recently discovered that this is not necessarily the case with mature white-crowned sparrow males.

New Research into Bird Song

August 20, 2010 by  
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While zebra finch females utter single note, low-pitched calls, males have the ability to sing in a variety of frequencies, even producing a whistle that goes beyond a piano keyboard’s high end. Male birds make use of song to attract mates and to protect their territory. It is believed that the varied frequency of songs may be more attractive to females, as well as providing greater and more precise information.

Nightingale’s Journey Provides Valuable Migratory Information

July 20, 2010 by  
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While being fairly nondescript in appearance, the nightingale is legendary for its amazing singing ability, which can often be heard at night, as well as in daylight hours. The name nightingale literally means ‘night songstress’ revealing the misconception early writers had that it is the female that produces the complex range of trills, whistles and gurgles, when in fact it is the male. It has long puzzled researchers as to where exactly in Africa these migratory birds spent the northern hemisphere’s winter months.

Bird Breeding

February 9, 2009 by  
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Bird breeding generally begins as the daylight hours of summer increase. Territorial behavior becomes evident with males selecting and defending their territory by means of singing and flight displays. Territories vary in size depending on availability of food and requirements of birds breeding in the area. When a female enters a male’s territory she may [...]

Golden Eagle (Aquila chrysaetos)

February 9, 2009 by  
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The Golden eagle’s scientific name is Aquila chrysaetos and it is part of the Booted or True Eagle family. These beautiful birds can be found throughout the northern hemisphere, living in prairie coulees, mountainous areas and in rugged terrains that create a profuse amount of updrafts. The golden eagle is about 3 feet or just [...]

Kirtland’s Warbler (Dendroica kirtlandii)

February 9, 2009 by  
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One of the most rare members of the Paulidae family is the endangered Kirtland’s Warbler (Dendroica kirtlandii). This is a fascinating bird species seen on occasion in the jack pine forests of Michigan where it is reliant on very specific habitat. Kirtland’s Warblers are endemic to the USA and are found only in Michigan, Wisconsin [...]

So why do Birds really sing in the Fall?

April 10, 2006 by  
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Birds sing for a variety of reasons, and not all of these motivations are linked to displays of pleasure. As their primary form of communication, birds sing to greet one another, attract a potential mate, issue a warning and even mark and defend their territory.