Researchers and students collaborate on a study to explore the migration patterns of male and female red-tailed hawks in upstate New York.

Wet spring rough on many wild birds and mammals HARRISBURG, Pa., May 27, 2011 /PRNewswire-USNewswire/ -- In an unfortunate turn of events, the first nesting attempt for bluebirds behind the Pennsylvania Game Commission's Harrisburg headquarters appears to have lost out to nature.

A red-tailed hawk named Violet nesting on a Manhattan window ledge had one of her three eggs hatch on Friday.

Home mail delivery by Canada Post is suspended in a part of Moose Jaw, Saskatchewan, because of a dive-bombing hawk that targets pedestrians. In mid-May a letter carrier told a supervisor he had been attacked several times by the Swainson's hawk, which is guarding its nest in a spruce tree, the Globe and Mail reported. The supervisor accompanied the carrier on the morning of May 29 and delivery service was suspended immediately afterward, the report said. The supervisor actually had to dive to the ground to avoid the hawk, Canada Post spokeswoman Sandra Sobko told the Globe.

A young hawk having a hard time making its first flight in Philadelphia was rescued by a wildlife expert before it hurt itself, witnesses said. The red-tailed hawk's misadventure started Saturday morning when it drew a crowd by walking across a street outside the Franklin Institute and taking its perch on a nearby railing.