Natural selection at its most powerful winnowed certain finches harshly during a severe drought in 1977. That year, the vegetation withered. Seeds of all kinds were scarce. The small, soft ones ...
Recently in Nature(399, 466– 470, 1999), Anthony Leonardo and Mark Konishi of Caltech reported that zebra finches retain a surprising ability to modify their songs in response to auditory ...
The Wildlife Center of Virginia is warning people who like to feed birds to be on the lookout. An eye disease that can prove ...
The study showed that populations don’t lose their “evolvability,” even if conditions remain the same for many generations.
A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and when he ...
"In my very first publication on the finches, back in 2001, I showed that changes in the beaks of Darwin's finches lead to changes in the songs they sing, and I speculated that, because Darwin's ...
The finches in the above video were collected from the Galápagos Islands in 1835 by Charles Darwin and his colleagues during the second voyage of HMS Beagle (1831-1836). The different finch species on ...