Differences between the
Great Frigatebird and
Magnificent Frigatebird:
Great Frigatebird: Male-Scapular feathers iridescence is green;
Female - red ring around eyes;
throat + breast is white;
Juvenile - face + throat is rust-tinged
Magnificent Frigatebird:
Male - Scapular feathers
irridescence is purple;
Female - blue ring around eyes;
black throat + white breast;
Juvenile - face + throat is white