共 26 条
[21]
SCHOENER TW, 1969, BROOKHAVEN S BIOL, V22, P103
[23]
Trivers R., 1972, PARENTAL INVESTMENT, DOI DOI 10.1002/AJPA.1330400226
[24]
WELTY JC, 1975, LIFE BIRDS
[26]
FORAGING EFFICIENCIES AND TIME BUDGETS IN NECTAR-FEEDING BIRDS
[J].
ECOLOGY,
1975, 56 (01)
:117-128