White terns (Gygis alba) don’t build nests for their eggs! They usually find a fork in a branch and stay on their egg during incubation (Miles 1986). The chicks are born with adapted feet to cling to the branch while the mom goes searching for fish dinners.

[Photo by Nick Chudeau; Caption by Karli Chudeau]

Miles, D. H. (1986). White Terns Breeding on Oahu, Hawaii. Elepaio, 46(16), 171-175.