A cathedral's resident nesting peregrine falcon has laid her fourth and probably final egg - at least for this year. Peggy, ...

The Iowa Department of Natural Resources relies on Iowa volunteers, and some power plant employees, to monitor peregrine ...

The first sign of spring in southeast Wisconsin is the return of the peregrine falcons. Two of the endangered birds were spotted on the ...

UC Berkeley's celebrity peregrine falcons have been missing. The birds, Annie and Archie, have not been seen since early January. Researchers fear the pair could be victims of the highly ...

Peregrine falcon Archie became Annie’s mate in January of last year. The pair haven’t been seen since since early this January. Now, experts are concerned that bird flu might be involved in ...

(KGO) -- Annie the peregrine falcon and her mate Archie have disappeared from UC Berkeley and haven't been seen for nearly two months. Experts believe the two birds are likely dead, potentially of ...

A pair of beloved peregrine falcons that have made the top of U.C. Berkeley’s iconic Campanile bell tower their home hasn’t been seen since early January — and experts fear the spread of H5N1 bird flu ...

A pair of beloved peregrine falcons that have made the top of U.C ... since early January — and experts fear the spread of H5N1 bird flu could be to blame. Annie and Archie, the parents to ...

A famous falcon who lives atop UC Berkeley’s Campanile bell tower has been missing in recent weeks along with her latest mate, and experts who monitor the birds worry that they might have fallen ...