Birds of a feather do not always flock together, despite the adage. A new study in the Journal of Raptor Research describes how Bald Eagles (Haliaeetus leucocephalus) from Arizona are making unusual journeys by flying north instead of south, unlike most migratory birds in temperate regions. The paper, titled “Northward Migrations of Nonbreeding Bald Eagles from Arizona, USA,” also reports on a single eagle that left Arizona and ultimately settled in California, a decision that challenges earlier ideas about how often these birds emigrate from their home population. The researchers…
