Watch a Black-billed Magpie stop by the perch to investigate the Hellgate Osprey nest. Iris stays on high alert while her mate chases the interloper from the vicinity. Watch LIVE at AllAboutBirds.org/Ospreys Black-billed Magpies are curious birds that are known to harass larger birds and other potential predators, especially when food is available. Groups of magpies may work to distract larger birds in an attempt to steal their prey. They also sometimes nest near Ospreys and other raptors, perha