A frigate in flight. Some of the juveniles in the study stayed continuously aloft for more than two months. How do frigate birds—seabirds with a 7-foot wingspan—stay aloft for months at a time? Their ...

A storm-tossed frigate bird rescued from a tree in Healdsburg during last weekend's rainstorm was in critical condition Tuesday at the International Bird Rescue Research Center in Cordelia.

This file photo shows a frigate bird with a 7-foot wingspan soar overhead in the sky. When a storm blows in, it doesn't just impact people — it can also throw birds off course or drive them farther ...

I clearly remember when I first learned of their existence — in the pages of one of my pop-bottle books. And I remember even more clearly my first encounter with one nine years later — flying over the ...