共 17 条
[1]
ALJOBORAE FF, 1980, THESIS OXFORD U OXFO
[2]
ANDERSON WL, 1972, B ILL NAT HIST SURV, V30, P453
[3]
ANKNEY CD, 1977, AUK, V94, P275
[4]
ANKNEY CD, 1980, AUK, V97, P684
[5]
DAVIS J., 1961, CONDOR, V63, P313, DOI 10.2307/1365624
[7]
VARIATION IN DIGESTIVE ORGAN SIZE AMONG 5 SPECIES OF DIVING DUCKS (AYTHYA SPP)
[J].
CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE,
1985, 63 (10)
:2339-2342
[10]
GUT SIZE, BODY-WEIGHT, AND DIGESTION OF WINTER FOODS BY GROUSE AND PTARMIGAN
[J].
CONDOR,
1983, 85 (02)
:185-193