Table 1 Site fidelity during the non-breeding period for Bar-tailed Godwits Limosa lapponica and Great Knots Calidris tenuirostris, as measured from satellite tracking and resighting data

Satellite-tracking data

Percentage of individuals that remained at one site during entire non-breeding period

100% (n = 24)

83% (n = 41)

p = 0.04*

Percentage of individuals that returned to same non-breeding site after migration

100% (n = 9)

80% (n = 10)

p = 0.47

Resighting data

Percentage of individuals resighted at n sites within a non-breeding period

1 site

97.3% (624 birds)

93.8% (727 birds)

 Only Roebuck Bay

617 birds

690 birds

 Only Eighty Mile Beach

7 birds

36 birds

 Only Darwin

0

1 bird

2 sites (Roebuck Bay and Eighty Mile Beach)

2.7% (17 birds)

6.2% (48 birds)

p = 0.001*