The Java sparrow is ready for the video recording. As I hold it carefully in my hand in order to transfer it to the recording ...

Under these drastically changing conditions, the struggle to survive favored the larger birds with deep, strong beaks for opening the hard seeds. Smaller finches with less-powerful beaks perished.

A bird beak is the most important resource it has, and every species has one solely designed for survival. Birds use beaks for just about everything: building nests, feeding their young ...

How do you know that finches' beak depth is heritable? You can see from Figure 2 that there is a correlation between the parents' and offsprings' beak size. How did the finch population change ...

The most characteristic feature of Darwin's finches is the diversification of beak morphology that has allowed these species to expand their utilization of food resources in Galápagos ...

Birds captivate us with their stunning appearances and remarkable adaptations, and some species stand out for their exceptionally colourful beaks These beaks not only add to the beauty of nature ...

How fast does the beak move? To answer these questions, I’m recording high-speed X-ray videos of the feeding birds. Interestingly, I discovered some fascinating differences in beak movement ...

The same diverse array of Galápagos finch species that helped inspire Charles Darwin's theory of evolution have now assisted in another discovery, this time relating to the genetic basis for the ...

I am seeing just a few purple finches at the feeders now. Last year, over a dozen were here on many days in January. Some may migrate to the south […] ...