Table 3 Posterior sample means and 95% credible intervals (CIs) for movement parameters estimated using a hierarchical state-space behavioural switching model.

From: Humpback whale migrations to Antarctic summer foraging grounds through the southwest Pacific Ocean

Deployment campaign

N

State 1 ‘transit’

State 2 ‘search’

γ1

θ1

γ2

θ2

Mean

95% CI

Mean

95% CI

Mean

95% CI

Mean

95% CI

ANT

9

0.515

0.428–0.625

0.352

0.214–0.470

−0.018

−0.098–0.065

3.294

3.111–3.494

AU-Eden

16

0.821

0.785–0.856

0.111

0.045–0.177

0.021

−0.012–0.053

3.074

2.692–3.425

AU-SC

5

0.837

0.797–0.876

0.160

0.003–0.664

0.027

−0.017–0.071

3.350

1.779–4.813

  1. Turning angles (θ) are given in radians, the movement persistence parameter (γ) is the correlation in speed and direction. Subscripts indicate behavioural state. The state-space model was run on each campaign separately, with N indicating each sample size (number of whales).