Table 1.

Species and groups recorded by animal-borne video recorders on African penguins.

nomenclature				group size
scientific	common	group	obs. (N)	mean	s.d.
Procellariidae sp.	petrel, shearwater	Procellariidae	128	2.5	2.0
Puffinus griseus	sooty shearwater	Procellariidae	103	3.8	3.8
Diomedeidae sp.	albatross	n.a.	1	—	—
Morus capensis	Cape gannet	n.a.	1	—	—
Phalacrocorax capensis	Cape cormorant	Cape cormorants	156	4.3	4.2
Larus sp.	gull	n.a.	2	3.5	2.1
Larus vetula	kelp gull	n.a.	6	2.3	1.8
Sterninae sp.	tern	Terns	69	7.7	6.1
Thalasseus bergii	swift tern	Terns	34	10.6	10.6