Macroalgal fouling on the intertidal mole crab Emerita analoga facilitates bird predation

Table 2 Summary of the results of the bird censuses and focal observations

	Larus modestus	Larus pipixcan	Larus belcheri	Haematopus ater	Haematopus palliatus	Numenius phaeopus
No. of days observed	33	12	8	13	3	8
Individual day⁻¹ (mean, SD)	34.79 (23.72)	1.91 (4.23)	1.82 (8.42)	0.36 (0.56)	0.14 (0.55)	0.17 (0.32)
Time of observation (min)	1,354	70	40	190	25	35

N of days observed is the total number of days that each bird species was observed in the beach, individuals day⁻¹ is the mean number of individuals present in the beach each day, and time of observation is the total time (in minutes) each bird species was observed during the focal observations

ISSN: 1438-3888