So, which is it??
Here is a photo (from clipart.com) of a frigate bird. When Don and I were honeymooning in Mexico 20 years ago, we saw many, many frigate birds. We were impressed by the male's display of his beautiful, inflatable red chest pouch.
Today, Paul inflated his chest pouch (really his surf shirt), reminding me of those carefree days of birding south of the border: