Table 3. Mean HRA index (error ratio/overlaying percentage) associated to individual and combined inter-nesting home range estimates using Argos-derived locations.

	Combined home range		Individual home range
	50% UD	95% UD	50% UD	95% UD
Argos	0.846 (17.6/100)	0.822 (23.1/100)	0.573 (2712.0/90.7)	0.598 (2948.6/97.0)
Filtered Argos	0.865 (14.2/100)	0.893 (6.8/97.2)	0.595 (2224.8/88.1)	0.677 (867.7/95.4)
SSM	0.920 (6.9/100)	0.843 (4.9/90.0)	0.627 (648.0/90.1)	0.688 (496.4/95.0)
Post-processed SSM	0.943 (4.8/100)	0.832 (3.3/86.9)	0.657 (376.0/89.3)	0.718 (195.1/95.0)
Filtered SSM	0.938 (5.3/100)	0.798 (2.4/82.2)	0.591 (348.5/82.1)	0.653 (177.0/90.4)

50% and 95% UD refer to the core area of activity and overall home range respectively. Values in bold highlight the best refining approach for each Argos-based home range estimate.