Table 3.

Odour responses relative to the % by mass of krill in the diet of 13 Antarctic procellariiforms

Common nameSpecies% KrillDMSKrillFish
Blue petrel Halobaena caerulea 75+++
White-chinned petrel Procellaria aequinoctialis 47-59+++
Black-bellied storm-petrel Fregetta tropica 5+-+
PrionPachyptila sp.1-87+-+
Wilson's storm-petrel Oceanites oceanicus 40-85+-+
Diving-petrelPelecanoides sp.15-78000
Black-browed albatross Diomedea melanophris 35-39-++
Giant petrelMacronectes sp.5-33-++
Wandering albatross Diomedea exulans 10-++
Cape petrel Daption capense 2-85-++
Grey-headed albatross Diomedea chrysostoma 15-17-00
Antarctic fulmar Fulmarus glacialoides 2-90NA++
Kerguelen petrel Pterodroma brevirostris <2NA++
  • +, positive response; -, no difference in response to experimental and control slicks or aerosols; NA, no data available; 0, no response from birds in the area to either experimental or control slicks as determined from transect surveys. Behavioural data are also included from Nevitt (1994, 1999) and Nevitt et al. (1995).