A group of live webcams documented a pair of Eastern screech owls in Murrysville preying on a Northern cardinal at a feeder and plucking a mother bluebird from a nest box within the past week.

Blue jays nest in deciduous or evergreen trees, while a ruby-throated hummingbird might build her tiny nest in a backyard tree, if the habitat offers food and water. Bluebirds, chickadees and house ...

Q: After hearing some birds shrieking, I went to investigate and found a male and female cardinal chasing house sparrows away from a nest in a thick vine. The sparrows kept trying to come back but the ...