Figure 8
From: Drivers of concentrated predation in an Antarctic marginal-ice-zone food web

Observations of cetaceans at Cape Royds. Data acquired by using binoculars from a 30 m high, coastal hill, once or twice per day weather permitting, 20 November 2014–18 January 2015. X-axis ticks indicate days when observations were made; asterisk (*) indicates dates with verification by helicopter survey.