This video from Bermuda says about itself:
A Look Inside The November Courtship Period Of The Bermuda Petrel – Nov. 21, 2017
Take a deeper look at what’s happening during the November courtship period of one of the most endangered seabirds in the world, the Bermuda Petrel.
The CahowCam is a collaboration between the Cornell Lab of Ornithology and the Nonsuch Expeditions. You can watch the cam live at http://allaboutbirds.org/cahows and learn more about Nonsuch Island‘s environs (including the cahow) here.