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
From: Daily activity budgets reveal a quasi-flightless stage during non-breeding in Hawaiian albatrosses
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 |