Designed for fieldworkers, this handbook introduces the science of monitoring seabird colonies, a discussion of general methods, and detailed instructions for monitoring gulls, terns, auks, cormorant, shag, fulmar, Manx shearwater, gannet and skuas, including illustrations of different stages of chick development. The handbook is in looseleaf format, supplied in a robust binder, with plastic envelopes for use in the field, plus a small supply of recording forms.