共 21 条
[3]
DAVIS EARLE A., 1955, AUK, V72, P385
[4]
HANNON, 1962, COMPARATIVE PHYSIOLO, P291
[5]
Host P., 1942, Auk, V59, P388
[6]
WINTER FEEDING PROGRAM OF ALASKA WILLOW PTARMIGAN SHOWN BY CROP CONTENTS
[J].
CONDOR,
1967, 69 (01)
:69-&
[7]
IRVING L, 1967, ARCTIC, V20, P77
[8]
JENKINS D, 1964, NATURE CONSERVANCY U
[9]
KENDEIGH S. CHARLES, 1949, AUK, V66, P113
[10]
MCBEE RH, IN PRESS