The pressures of climate change may be strengthening bonds between unlikely allies in Central Australia's bird community as ...

The Wildlife Center of Virginia is warning people who like to feed birds to be on the lookout. An eye disease that can prove ...

A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and when he ...

They say that hindsight is 20/20, and though the theory of ecological speciation—which holds that new species emerge in response to ecological changes—seems to hold in retrospect, it has been ...

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 ...

The study showed that populations don’t lose their “evolvability,” even if conditions remain the same for many generations.

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 ...

At our cabin in Pebble Creek Valley north of Silverthorne, located at 9,450 feet in elevation, we have several platform ...