Stretches of unseasonably warm February weather triggered early behavior among birds. During late February, birders reported not just nesting but incubating bluebirds. Downy woodpeckers chased each ...

Pam and Joe Monahan don’t need TV. They have a nesting pair of tree swallows in a bluebird box in their West Neck backyard. The beautiful birds zoom back and forth, dawn to dusk, feeding their five ...

ON THE LOWER CONNECTICUT RIVER, Conn. (AP) - The first swallows appear at sunset, inky flecks in a dusky pink sky. A cloud of birds forms, then another and another. Soon the entire sky is teeming with ...

THE SWALLOWS ARE supposed to return in March and April. Birds don’t always do what we expect them to do. Reports of swallow sightings began coming in this winter, and that is more than a little ...

The Auk, Vol. 116, No. 4 (Oct., 1999), pp. 947-956 (10 pages) Microbes have the potential to be important selective forces in many aspects of avian biology. Microbes can affect fitness as a result of ...

On agricultural landscapes, pesticides travel through food webs and can negatively affect local wildlife populations. However, few studies have considered the long-term, cumulative effect of multiple ...

Aerial insectivores -- birds that hunt for insect prey on the wing -- are declining across North America. Conserving these vulnerable species requires a good understanding of the factors impacting ...

Behavioral Ecology and Sociobiology, Vol. 18, No. 3 (1986), pp. 199-206 (8 pages) We investigated the division of labor in male and female tree swallows by measuring the rate of food delivery to ...