Eagles and other birds of prey aren't unusual sightings in North America generally. However, the appearance of one rare, giant eagle, has everyone excited.

The Steller’s sea eagle that visited Maine is one of an estimated 5,000 in the world. The bird is listed by the International Union for Conservation of Nature’s Red List of Threatened Species.

Stella, a Steller’s sea eagle, recently turned up ... like Stella could be the pioneers of a species exploring new habitats. Regardless of why birds stray, vagrants can be a surprising source ...