pelagic bird References pelagic bird Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: migration/ Lower invertebratesThe daily activity of pelagic birds (those living on the open sea), such as petrels and shearwaters, which feed on planktonic crustaceans and squids, follows this same rhythm. Read MoreThe daily activity of pelagic birds (those living on the open sea), such as petrels and shearwaters, which feed on planktonic crustaceans and squids, follows this same rhythm. Read More