SEED SELECTION IN SOME NORTH-AMERICAN FINCHES

[11] ROLE OF TIME AND ENERGY IN FOOD PREFERENCE [J]. AMERICAN NATURALIST, 1966, 100 (916) : 611 - +

[12] OPTIMAL CHOICE IN ANIMALS [J]. AMERICAN NATURALIST, 1968, 102 (926) : 385 - &

[13] Field C. R., 1968, Symposia of the Zoological Society of London, VNo. 21, P135

[14] GARDARSSON A, 1968, BRIT ECOL SOC S, V10, P47

[15] Gibb J., 1957, Bird Study, V4, P207

[16] HELMS CW, 1968, AM ZOOL, V8, P151

[17] HESPENHEIDE HA, 1966, WILSON BULL, V78, P191

[18] HOLLING C. S., 1959, CANADIAN ENT, V91, P293

[19] HOLLING C. S., 1955, CANADIAN JOUR ZOOL, V33, P404, DOI 10.1139/z55-023

[20] HOLYOAK DT, 1970, IBIS, V112, P399

[11] ROLE OF TIME AND ENERGY IN FOOD PREFERENCE [J]. AMERICAN NATURALIST, 1966, 100 (916) : 611 - +

[12] OPTIMAL CHOICE IN ANIMALS [J]. AMERICAN NATURALIST, 1968, 102 (926) : 385 - &

[13] Field C. R., 1968, Symposia of the Zoological Society of London, VNo. 21, P135

[14] GARDARSSON A, 1968, BRIT ECOL SOC S, V10, P47

[15] Gibb J., 1957, Bird Study, V4, P207

[16] HELMS CW, 1968, AM ZOOL, V8, P151

[17] HESPENHEIDE HA, 1966, WILSON BULL, V78, P191

[18] HOLLING C. S., 1959, CANADIAN ENT, V91, P293

[19] HOLLING C. S., 1955, CANADIAN JOUR ZOOL, V33, P404, DOI 10.1139/z55-023

[20] HOLYOAK DT, 1970, IBIS, V112, P399