The study of bird nesting behavior and ecology encompasses the multifaceted strategies and architectural innovations birds employ to ensure the reproductive success and survival of their offspring.

A little blue heron perches atop its nest in a tree branch. Bird nesting behavior peaks in late spring. Learn more about bird behavior, and find places near you to observe birds in the wild at ...

An American robin perches above hungry hatchlings waiting in their nest. Bird nesting behavior peaks in late spring. Learn more about bird behavior, and find places near you to observe birds in the ...

Only two bird species have ever been shown to undertake what scientists call 'itinerant breeding': nesting in one area, migrating to another region, and nesting again there within the same year, to ...

Scientists know little about fledging behavior -- when and why baby birds leave the nest. Now researchers have deployed miniature video cameras to monitor over 200 grassland bird nests, and they found ...

Pennsylvania has its own avian whad ya know of sorts. New evidence suggests the sandhill crane, a long-legged bird mostly of boreal forests or southern United States wetlands, is breeding in ...

In environments such as arctic tundra, where bird densities are low and habitats are comparatively homogeneous, suitable nest sites likely are not limited. Under these conditions, reproductive success ...

The Swainson's Warbler is one of the least known of southern birds. Although fairly common in some parts of its summer range, observations of its breeding biology have been made by very few persons.