How and Why Species Multiply: The Radiation of Darwin’s Finches

(Princeton University Press)

Nearly 175 years have passed since Charles Darwin made Galapagos finches famous, yet this text proves we aren’t done learning from them. Rosemary and Peter Grant have studied on the islands for three decades; here, they show how the laboratory tools of developmental biology and molecular genetics can be combined with observations and experiments on birds in the field to gain deeper insights into why the world is so biologically diverse. Peter Grant is the Class of 1877 Professor of Zoology at Princeton. Rosemary Grant is a senior research scholar in the Department of Ecology and Evolutionary Biology at Princeton.

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PAW's July/August 2025 issue cover, featuring a photo of people dressed in orange and black, marching in the P-rade, and the headline: Reunions, Back in Orange & Black.
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July 2025

On the cover: Wilton Virgo ’00 and his classmates celebrate during the P-rade.