There are many different birds that migrate in Pittsburgh, one of which being the Fox Sparrow.
Migrates
Goose
the arctic tern, which migrates up to 1700 miles
The Arctic Tern
the Canadian goose Sandhill Cranes
the Arctic tern
arctic tern
The arctic tern, sometimes traveling up to 12,000 miles in one direction.
This would be the Steller's Eagle.
Where it migrates to when and why: they fly over the Mediterranean Sea and the Sahara Desert.
The Willow Warbler phylloscopus trochilus, is a small bird native in the summer to Europe and in the winter it migrates to Africa.
A migratory bird is as it sounds; a bird that migrates threw your area. You may see this bird for a period of time and then it will migrate back. A resident bird is a bird that stays in your area all year round; this is his home and there are plenty of them in the area.