In spring, raptors like this Ferruginous Hawk and hundreds of other bird species migrate north along the front range of the Rocky Mountains. Some songbirds, such as the Bullock’s Oriole, stop to nest along the Cache La Poudre River as it flows through Fort Collins, Colorado. On May 11…

Since 1995, biologist Dan Varland, Executive Director of Coastal Raptors, has been monitoring the health of raptors on the Washington coast, where Peregrine Falcons stoop on shorebirds feeding along the tideline. He’s looking for mercury and DDT in the birds’ blood systems. Though it has…

Don’t let the name fool you -- the Great Dismal Swamp is alive with birds! Particularly at this time of year, lucky visitors will find newly arrived Neotropical migrants. In conjunction with International Migratory Bird Day, the Great Dismal Swamp National Wildlife Refuge will host its…

In January 2009, a US Airways flight completely lost power after striking a flock of Canada Geese. The captain was able to guide the crippled plane to an emergency landing in the Hudson River, and all passengers were safe. Protecting planes is a constant challenge. Wildlife biologist Steve…

American Kestrels are the smallest falcons in the country. But they're such colorful and charismatic little birds -- they make up for their size with their attitude! In the last 50 years, American Kestrel populations across North America have declined by almost half. The lack of nesting…

Every March, Sandhill Cranes return to the Platte River in Nebraska, on their way to nesting grounds in coastal Alaska, northern Canada, and Siberia. Birdwatchers come from all over and contribute mightily to the state's economy - as much as $30 million per year. In addition to being of…

When Denver Holt began his owl research 30 years ago, he was focused on disseminating his findings to the scientific community. Today, he believes that sharing information with both wildlife managers and citizens will make an important difference for owls – including this Long-eared Owl.…

January 2013: Birds take advantage of windy ridges and other land-forms that create thermals and updrafts to carry them on their migrations. These same windy locations recommend themselves for wind-power turbines. It’s a tricky problem: On one hand, a Department of Energy report calls for…

Scoter populations in South Puget Sound have declined by 69% since 1995. Other seabirds -- like this Barrow's Goldeneye -- have not fared well, either. Suspects include heavy metal contamination, a drop in herring populations, derelict fishing gear, and the destruction of shoreline habitat…

The territories of Townsend's Warblers and Hermit Warblers overlap in Washington State. Ornithologists call the overlap where the two species interbreed a "hybrid zone." The hybrids - like the one seen here - reveal characteristics of both. And they may also lend clues about our changing…