Beak

Known as: Beaks 
In some animals, the jaws together with their horny covering. The beak usually refers to the bill of birds in which the whole varies greatly in form… (More)
National Institutes of Health

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Highly Cited
2015
Highly Cited
2015
Darwin’s finches, inhabiting the Galápagos archipelago and Cocos Island, constitute an iconic model for studies of speciation and… (More)
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Highly Cited
2011
Highly Cited
2011
Bird beaks display tremendous variation in shape and size, which is closely associated with the exploitation of multiple… (More)
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Highly Cited
2008
Highly Cited
2008
The beak of the Humboldt squid Dosidicus gigas represents one of the hardest and stiffest wholly organic materials known. As it… (More)
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Highly Cited
2006
Highly Cited
2006
Competitor species can have evolutionary effects on each other that result in ecological character displacement; that is… (More)
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Highly Cited
2004
Highly Cited
2004
Darwin's finches are a classic example of species diversification by natural selection. Their impressive variation in beak… (More)
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Highly Cited
2004
Highly Cited
2004
Beak shape is a classic example of evolutionary diversification. Beak development in chicken and duck was used to examine… (More)
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Highly Cited
2003
Highly Cited
2003
With the use of different light and electron microscopic methods, we investigated the subcellular organization of afferent… (More)
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Highly Cited
2000
Highly Cited
2000
Kinematic analyses have demonstrated that the extent to which a songbird's beak is open when singing correlates with the acoustic… (More)
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Highly Cited
1998
Highly Cited
1998
Circoviruses are a diverse group of animal and plant pathogens with undefined relationships to one another but for their non… (More)
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Highly Cited
1970
Highly Cited
1970
The authors investigated food habits of albacore, Thunnus alalunga, bluefin tuna, Thunnus thynnus, and bonito, Sarda chiliensis… (More)
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