Table 1.

Phenology of non-breeding season phases for laysan ( n = 20, or if *, n = 18) and black-footed ( n = 15) albatross from Midway Atoll (mean ± SD), 2008-2012

	Laysan albatross	Black-footed albatross
Colony departure	29-Jun ±16 days	25-Jun ±14 days
Duration of outbound transit	10 ± 6 days	12 ± 8 days
Overwinter arrival	10-Jul ±16 days	02-Jul ±11 days
Duration of overwinter	125 ± 18 days*	126 ± 21 days
Overwinter departure	12-Nov ±5 days*	05-Nov ±8 days
Duration of inbound transit	9 ± 4 days*	10 ± 8 days
Colony return	18-Nov ±13 days	16-Nov ±14 days