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"Closely related species of birds are also chromosomally similar."
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Exlpore more Birds quotes

"There have been as many varieties of socialists as there are wild birds that fly in the woods and sometimes go up and on through the clouds."

"But hopes are Shy Birds flying at a great distance seldom reached by the best of Guns."

"When you have birds you stare at them a lot and their eyes are recessed on their head. When they look at something they tilt their head in a quizzical expression."

"Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble."

"The most ordinary conditions for observing sailing birds are then the wind and sea are both aft."

"The parish I live in is a very abrupt, uneven country, full of hills and woods, and therefore full of birds."
Explore more quotes by Peter R. Grant

"The independent role of morphology in mate choice is revealed by the rare instances where the usual association between song and morphology is disrupted."

"To summarize, the particular song a male sings, and the behavioral responses of females to song and morphological signals, are not genetically inherited in a fixed manner but are determined by learning early in life."

"Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals."

"Genes that underlie the capacity to receive, use and transmit information are the evolving properties."

"The theory of founder effects does not explain how novel features like plumage traits arise."
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