FOOTNOTES:[41]Common eider, 2 to 7 h.[42]No data given.[43]Indirect evidence that young are brooded this long.[44]Data from Lack (1968) and Ashmole (1971) unless otherwise noted.[45]Cullen (1957).[46]Birkhead (1974).[47]Speich and Manuwal (1974).
[41]Common eider, 2 to 7 h.
[41]Common eider, 2 to 7 h.
[42]No data given.
[42]No data given.
[43]Indirect evidence that young are brooded this long.
[43]Indirect evidence that young are brooded this long.
[44]Data from Lack (1968) and Ashmole (1971) unless otherwise noted.
[44]Data from Lack (1968) and Ashmole (1971) unless otherwise noted.
[45]Cullen (1957).
[45]Cullen (1957).
[46]Birkhead (1974).
[46]Birkhead (1974).
[47]Speich and Manuwal (1974).
[47]Speich and Manuwal (1974).