Hawaiian Frigate Birds

Knowing that a huge storm was blowing into the islands, I decided to head out early yesterday morning for a swim. The weather reports had warnings of high tides which meant Ahalanui  pond right along the ocean would be clean, cool and frothy. I ran into a friend, and had a great swim, but also got a rare treat -- witnessing the arrival of three huge Frigate birds -- blown toward the Big Island by the storm.

Male with extended display chest

With its extraordinarily long wings and deeply forked tail, the magnificent Frigate bird is unmistakable when seen in flight  The massive wingspan enables the magnificent Frigate bird to soar effortlessly, and make graceful aerial manoeuvres, which so captivated Charles Darwin that he dubbed this species “the condor of the ocean” . Frigate birds are the only seabird family that have obvious, significant differences in plumage between the sexes. The male has entirely black plumage, glossed green on the head and purple on the upperwings and back..

These birds live on Frigate Shoals -- a large crescent shaped atoll in the island chain just above the Hawaiian islands.

GREAT MAP! -- Click on it to see interesting DETAILS

'Iwa / Frigate Bird  - A large, wide-winged sea bird of the tropical seas (wing span up to 6 feet), the 'iwa soars for hours on updrafts and may stay at sea all night or for days. 

These birds sometimes travel great distances, though generally are non-migratory and stay within 50 miles of their home islands. As they are incapable of taking off from the surface of the water, they swoop down and pick fish just below the surface or leaping above the water (see mahimahi); or they may attack other birds in flight and steal the fish that their victims disgorge or drop. The 'iwa nests in remote areas or islands on bushes or vegetation. 

NASA image of Frigate Shales

OK; hard to see - click to make image bigger

More about the unique habitat of this area follow this link:  Frigate Shoals.

UPDATE another friend who teaches school near where I was swimming yesterday forwarded a photo of the sky FULL of Frigate birds. 

Info from: Wikipedia, www.arkive.org, and Polynesian Voyaging Society, NASA