Table 1.

Results from maze experiments on three petrel species

Maze's arm leading to
Species (N)own odourneighbour's odourNo-choiceBinomial distributionChoice delay time (mean ± s.d.) (min)
Common diving petrel (22)7015P=0.00788±2.7
South-Georgian diving petrel (25)11212P=0.0117±4.18
Thin-billed prion (8)710P=0.03513.6±11.14