The common black coot (Fulica atra) has eggs which are coloured in a specially protective manner.
"Darwinism (1889)" by Alfred Russel Wallace
The birds continue the same: there is abundance of Fulica, swarms of waterfowl, herons, plovers, etc.
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
Fulicae cottae cootes in very great flocks upon the broad waters.
"The Works of Sir Thomas Browne" by Thomas Browne