Characteristics of Leach's storm-petrel chicks used in odour preference trials
Experiment
.
Body mass (g)
.
Tarsus length (mm)
.
Wing length (mm)
.
Latency to choose (s)
.
Distance between nests (m)
.
1
59.9±2.2
23.7±0.3
57±3
127±12
N/A
2
65.2±1.5
24.3±0.2
83±4
219±35
5.7±0.4
Experiment
.
Body mass (g)
.
Tarsus length (mm)
.
Wing length (mm)
.
Latency to choose (s)
.
Distance between nests (m)
.
1
59.9±2.2
23.7±0.3
57±3
127±12
N/A
2
65.2±1.5
24.3±0.2
83±4
219±35
5.7±0.4
Experiment 1: own burrow material versus closely matched material collected from the colony (N=24). Experiment 2: own burrow material versus conspecific's burrow material (N=39)