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"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."
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"The condition you're in at this moment is the product of your previous thoughts, to change your condition, change your thoughts."
Personal Development

"People who truly live their lives don't have time to complain or judge others. They're too busy enjoying life and love and everything in between!"

"Once born, how long a man will live matters. Once dead, how long he has lived doesn't."

"We are all many things. Sometimes people get used to us being the one thing they most expect from us, and they don't know how to handle the other many things we are and have to offer. This is not our limitation to own. Let's be whatever many things our heart calls us to be. There's not a lot of consistency in freedom, aside from fluid movement among the many things we are. And that's a mighty beautiful thing."

"If you spend your life over analysing every encounter you will always see the tree, but never the forest."
Explore more quotes by Peter R. Grant

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

"Thus the genetic basis to the origin of bird species is to be sought in the inheritance of adult traits that are subject to natural and sexual selection."

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

"The divergence of songs in the new population away from those in the progenitor population would only be prevented if these processes were balanced by repeated immigration and subsequent breeding: song flow."

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