Researchers are trying to understand why some wild species do better than others over time, as the environment changes.

Researchers study house sparrow genetics to understand survival, evolution, and how species respond to environmental change.

For several reasons, swamp sparrows didn’t fit into the first two parts of this series, and European house sparrows really don’t belong on this continent, even though they have been here since the ...

How much does it matter where you are born, or whether you are heavy or light, if you are a house sparrow? Researcher Kenneth ...

In Marin, we have a greater variety and abundance of birds in winter than in summer. Now is the time to see big flocks of shorebirds, our maximum diversity of ducks and a wide selection of raptor ...

Birds with bold crown coloring are dominant over those with duller crown colors. Though highly territorial on their summer breeding grounds, golden-crowned sparrows form winter flocks with the same ...

It’s springtime at Jamaica Bay, a wonderful birding area filled with shorebirds, ducks, geese and many colorful passerines in the scrubby gardens. A smattering of birders are ambling along in front of ...