The white tern (Gygis alba) is the only tree-nesting seabird to not build a nest. Instead, the egg is simply laid in a fork or depression on a tree branch. After hatching, the chick will continue to stay in this location, where it is regularly fed by its parents.

Image details
Camera: Canon EOS R
Lens: Canon 100-400mm f/4.5-5.6L IS II
Location: Tikehau, French Polynesia
Date: Jan 2020
Focal Length: 400
Exposure: 1/640 sec
Aperture: f/5.6
ISO: 640

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