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Latest Peter Grant Stories

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2006-07-13 13:55:00

WASHINGTON -- Finches on the Galapagos Islands that inspired Charles Darwin to develop the concept of evolution are now helping confirm it - by evolving. A medium sized species of Darwin's finch has evolved a smaller beak to take advantage of different seeds just two decades after the arrival of a larger rival for its original food source. The altered beak size shows that species competing for food can undergo evolutionary change, said Peter Grant of Princeton University, lead author of the...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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